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NM-2-AI (N-methyl-2-aminoindane) is a synthetic stimulant of the aminoindane class. It is a conformationally rigid structural analog of methamphetamine, distinguished by short duration and low potency. NM-2-AI is believed to act primarily as a norepinephrine releasing agent, producing its effects by reversing transporter function to flood synapses with norepinephrine.[1][2]

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Threshold
< 5 mg
Light
50 – 100 mg
Common
100 – 150 mg
Strong
150 – 200 mg
Heavy
200+ mg
12340 h1 h2 h3 h
1Onset
30m–1h2Come-up
15m–30m3Peak
45m–1.5h4Resolution
30m–1hAftereffects2h–6h
Total2h–4h
Buildupmoderate
Full reset10 days
Cross-tol.dopaminergic stimulants, other monoamine releasing agents
Absolute4 entries
Uncontrolled hypertensionSevere cardiovascular diseasePregnancyConcurrent MAOI use
Relative4 entries
Seizure disordersBipolar disorderPsychosis spectrum disordersHepatic impairment
Dosage varies by body weight, tolerance & metabolism · Not medical advice · Terms

NM-2-AI appeared on the research chemical market around 2009–2010, part of a wave of aminoindane derivatives marketed as legal alternatives to banned cathinones and MDMA.[3] It circulated briefly before fading from vendor catalogs, though forensic detections continued into the early 2020s.[4] It remains unscheduled under international drug control conventions.[5]

Subjective effects include physical stimulation, wakefulness, analysis enhancement, and mild euphoria. The experience is stimulant-forward — a driven, noradrenergic push toward alertness and focus without the empathogenic warmth of serotonin-releasing relatives like MDAI.[6] Compulsive redosing, post-acute irritability, and anxious overstimulation at higher doses are characteristic unsought effects.

Dependence potential is rated moderate by community consensus, and the toxic dose in humans is unknown — computational modeling predicts an 82% probability of cardiovascular toxicity.[7] One fatality has been documented in a polydrug context.[4] No controlled human study of any kind has been published — the entire pharmacological profile rests on structural analogy, one mouse study, and community reports.

History[edit]

History

Discovery

The 2-aminoindane scaffold was first explored pharmacologically in the 1970s–1980s for bronchodilating and analgesic applications.[3] Little and Rees demonstrated sympathomimetic activity for N-methyl-2-aminoindane on guinea-pig tissue preparations in 1980.[8] The compound's synthesis follows straightforwardly from standard N-methylation of 2-aminoindane, and no original publication documenting its first deliberate preparation has been identified.

Scientific significance

The aminoindane class gained pharmacological importance in the 1990s through David Nichols's program at Purdue University, which developed ring-substituted aminoindanes — most notably MDAI — as non-neurotoxic alternatives to MDMA. Nichols and colleagues showed that aminoindane derivatives retained MDMA-like behavioral properties in rats[9] while MDAI released serotonin without producing neurotoxicity.[10] This work established the rigid indane scaffold as a tool for separating entactogenic effects from neurotoxic liability.

Market emergence and surveillance

NM-2-AI surfaced on research chemical markets around 2009–2010, following the UK's ban on mephedrone and other synthetic cathinones.[3] Italian forensic laboratories identified the compound in seized materials during 2013–2015.[11] In May 2021, the US Drug Enforcement Administration issued a formal alert after NM-2-AI was confirmed in blood from a 2015 overdose death in Iowa, and the Pittsburgh Poison Center reported seven additional suspected exposures between 2020 and 2021.[4]

Chemistry[edit]

Chemistry

Structural class

NM-2-AI belongs to the aminoindane chemical class within the broader phenethylamine family. The indane ring system — a cyclopentane ring fused to a benzene ring — bridges the alpha-carbon to the aromatic ring, locking what would be the methamphetamine backbone into a rigid bicyclic conformation. This restriction of rotational freedom fundamentally alters how the molecule interacts with monoamine transporters compared to open-chain amphetamines.

NM-2-AI is the N-methyl derivative of 2-aminoindane (2-AI), carrying a single methyl group on the nitrogen at the 2-position of the cyclopentane ring. The aromatic ring bears no additional substitution — a key distinction from ring-substituted aminoindanes like MDAI and 5-IAI, which carry methylenedioxy or iodo groups that shift pharmacological selectivity toward serotonin release.

Molecular properties

Molecular formulaC₁₀H₁₃N
Molecular weight147.22 g/mol

Two CAS registry numbers appear in the literature — likely distinguishing the free base from the hydrochloride salt, or representing a registry duplication, as both map to the same chemical structure.[7][12]

Stereochemistry

NM-2-AI has a single chirality center at C-2 of the indane ring. No published data address enantioselective pharmacology or the enantiomeric composition of commercial preparations. The compound is presumed to circulate as a racemic mixture.citation needed

Physical properties

NM-2-AI is typically encountered as a white powder or crystals in the hydrochloride salt form, with an approximate melting point of 230°C.citation needed No published stability or degradation pathway data exist for the compound under storage conditions.

Pharmacology[edit]

Pharmacology

Mechanism of action

NM-2-AI functions as a substrate-type monoamine releasing agent. It enters neurons through monoamine transporters and reverses their normal direction, causing norepinephrine to flood the synapse without the usual trigger of an action potential. This mechanism is shared with amphetamines, but the rigid indane scaffold alters which transporters the molecule prefers.

No in vitro study has directly measured NM-2-AI's potency at individual transporters. The pharmacological profile is inferred from the parent compound 2-aminoindane (2-AI), which acts primarily at the NET (NET) with weaker activity at the DAT (DAT) and minimal involvement of the SERT (SERT).[1] The parent compound also binds with high affinity to α2-adrenergic receptors.[2] Pinterova et al. noted in 2017 that "there is currently no scientific information available about these compounds" regarding NM-2-AI specifically.[3]

A classification conflict exists in the literature. Some sources describe NM-2-AI as a dopamine and serotonin releaser, but the available evidence points toward norepinephrine dominance.[1] Ring substitution — as in MDAI or MMAI — is what shifts aminoindane selectivity toward serotonin release; unsubstituted compounds like NM-2-AI and 2-AI lack this feature.[2] Tirri et al. documented entactogenic-like behavior in mice given NM-2-AI,[6] but whether this reflects low-level serotonin activity or a non-serotonergic mechanism remains unresolved. Liechti noted that aminoindanes as a class "predominantly enhance serotonin release," though this applies most strongly to ring-substituted members.[13]

The most defensible classification based on current evidence: primary norepinephrine releasing agent with possible secondary dopamine transporter activity; serotonin release not established.

Pharmacokinetics

No human pharmacokinetic data exist for NM-2-AI. Half-life, bioavailability, and clearance are uncharacterized in humans.

The primary metabolic pathway is N-demethylation to 2-aminoindane (2-AI), which is itself pharmacologically active — Tirri et al. identify it as "the main active metabolite".[6] In laboratory studies using human liver preparations, NM-2-AI also forms hydroxylated metabolites.[14] In rat urine, seven metabolites have been identified, including 2-AI and several hydroxylated derivatives.[15]

A clinically relevant variable: the 2-AI metabolite undergoes acetylation via NAT2, an enzyme that is genetically variable across the population. Individuals with the slow acetylator phenotype may experience prolonged exposure to active 2-AI.[14]

Community reports indicate onset at 30–60 minutes oral and total duration of 2–4 hours, though no controlled measurement has confirmed these values.

Neuroscience[edit]

Neuroscience

No direct neuroimaging, electrophysiology, or neurochemical measurement data exist for NM-2-AI in any species. The following mechanisms are inferred from its presumed norepinephrine-releasing pharmacology.

Where it acts

As a NET-preferring releasing agent, NM-2-AI is expected to amplify noradrenergic signaling from the locus coeruleus to the prefrontal cortex, amygdala, and hypothalamus. Moderate norepinephrine elevation in prefrontal circuits sharpens attention and working memory — consistent with the focus and analysis enhancement reported by users. Excessive noradrenergic tone tips this into anxiety, cardiovascular activation, and restless overstimulation.

If secondary DAT activity is present,[2] it would engage the mesolimbic mesolimbic pathway, accounting for the mild euphoria and compulsive redosing urge described in community reports.

Why it matters

NM-2-AI's profile illustrates the "wanting vs. liking" distinction in reward neuroscience. A NET-dominant compound with secondary dopamine activity enhances arousal and motivation (wanting) without the hedonic warmth (liking) that serotonin-releasing entactogens provide. Community descriptions of NM-2-AI as stimulating but emotionally shallow are consistent with this framework. Tirri et al. noted that its behavioral effects in mice "appear atypical and less intense with respect to those induced by classic stimulants"[6] — a pattern that may reflect this unusual transporter balance.

Subjective Effects[edit]

Summary

Subjective Effects

The experience of NM-2-AI is stimulant-forward: a noradrenergic push toward physical activation, wakefulness, and cognitive sharpening, without the empathogenic depth characteristic of serotonin-releasing aminoindanes. At lower doses, users describe focused stimulation and mild mood lift. At higher doses, the driven quality intensifies into restless overstimulation and anxiety, with the short duration (2–4 hours oral) and rapid offset creating persistent pressure to redose. Set and setting modulate the balance — social environments may draw out mild prosocial effects, while solitary use amplifies the jittery, task-oriented quality of noradrenergic activation.

Relative to MDMA, NM-2-AI produces substantially less emotional connection, sensory enhancement, and empathic warmth — it functions closer to a low-potency stimulant than a true entactogen. Compared to its parent compound 2-ai, the N-methyl group appears to increase potency and central nervous system penetration while maintaining a similar qualitative character.[6]

Effect Grid

Dose Level:
Description

At 100–150 mg oral, NM-2-AI delivers its core stimulant profile: pronounced wakefulness, physical stimulation, and noticeable thought acceleration. Appetite suppression becomes reliable. Mild euphoria emerges, though attenuated compared to dopamine-dominant stimulants. Some users report faint prosocial warmth at the upper end of this range, but empathogenic depth remains limited.

Physical effects include increased heart rate, mild bruxism, excessive sweating, and dehydration sensation. Cardiovascular activation is perceptible. Nausea may occur during onset but typically resolves as stimulation builds.

The short duration (2–4 hours) creates pressure toward compulsive redosing. Post-acute cognitive fatigue, low mood, and irritability are common as effects wane.

Modeled from the effect's dose-dependence curve — not per-substance measurements.

Perception(8)likelihood · intensity
Music enhancement
possible
Dreaming suppression
possible
Touch enhancement
possible
Auditory enhancement
possible
Light sensitivity
possible
Sound sensitivity
possible
Visual processing acceleration
possible
Color enhancement
possible

Sound sensitivity · Visual processing acceleration · Color enhancement

Body(34)likelihood · intensity
Stimulation
likely
Body scan awareness
likely
Wakefulness
likely
Pupil dilation
likely
Appetite suppression
possible
Body high
possible
Dry mouth
possible
Vasoconstriction!
possible
Abnormal heartbeat!
rare

Pupil dilation · Appetite suppression · Body high · Dry mouth · Muscle tension · Excessive sweating · Dehydration sensation · Heart rate perception changes · Insomnia · Physical fatigue · Restlessness · Spontaneous body sensations · Tactile euphoria · Bruxism · Bodily lightness · Breathing alteration · Respiratory stimulation · Tingling / electric sensations · Vibrations / buzzing · Nausea · Sexual arousal suppression · Dizziness · Headache · Involuntary body movements · Laughter fits · Sexual arousal enhancement · Nystagmus (eye wobbles) · Trembling · Vomiting

Muscle tension · Excessive sweating · Dehydration sensation · Heart rate perception changes · Insomnia · Physical fatigue · Restlessness · Spontaneous body sensations · Tactile euphoria · Bruxism · Bodily lightness · Breathing alteration · Respiratory stimulation · Tingling / electric sensations · Vibrations / buzzing · Nausea · Sexual arousal suppression · Dizziness · Headache · Involuntary body movements · Laughter fits · Sexual arousal enhancement · Nystagmus (eye wobbles) · Trembling · Vomiting

Thinking(28)likelihood · intensity
Thought acceleration
possible
Cognitive euphoria
possible
Cognitive fatigue
possible
Openness enhancement
possible
Motivation enhancement
possible
Analysis enhancement
possible
Compulsive redosing urge!
possible
Aesthetic enhancement
possible
Suggestibility enhancement!
possible

Openness enhancement · Motivation enhancement · Analysis enhancement · Aesthetic enhancement · Cognitive flexibility · Conceptual thinking · Focus enhancement · Humor enhancement · Immersion enhancement · Information processing enhancement · Introspection enhancement · Novelty enhancement · Pattern recognition enhancement · Thought connectivity · Creativity enhancement · Language enhancement · Thought organization · Motivation suppression · Cognitive dysphoria · Increased nature relatedness · Memory replays · Memory enhancement · Thought deceleration

Cognitive flexibility · Conceptual thinking · Focus enhancement · Humor enhancement · Immersion enhancement · Information processing enhancement · Introspection enhancement · Novelty enhancement · Pattern recognition enhancement · Thought connectivity · Creativity enhancement · Language enhancement · Thought organization · Motivation suppression · Cognitive dysphoria · Increased nature relatedness · Memory replays · Memory enhancement · Thought deceleration

Feeling(16)likelihood · intensity
Euphoria
likely
Emotional enhancement
possible
Empathy enhancement
possible
Depression!
possible
Irritability
possible
Anxiety
possible
Anxiety suppression
possible
Mania!
rare
Paranoia!
rare

Irritability · Anxiety · Anxiety suppression · Emotional lability · Simultaneous emotions · Anhedonia · Catharsis · Dysphoria · Emotional suppression · Empathy suppression · Paranoia

Emotional lability · Simultaneous emotions · Anhedonia · Catharsis · Dysphoria · Emotional suppression · Empathy suppression

Self(14)likelihood · intensity
Social connection
possible
Disinhibition
possible
Trust enhancement
possible
Communication enhancement
possible
Sociability enhancement
possible
Craving
possible
Emotional susceptibility
possible
Compulsive repetitive behavior!
rare
Self-control suppression!
rare

Communication enhancement · Sociability enhancement · Craving · Emotional susceptibility · Flow state · Ego inflation · Depersonalization · Derealization · Boundary dissolution

Flow state · Ego inflation · Depersonalization · Derealization · Boundary dissolution

Time(3)likelihood · intensity
Present-moment absorption
possible
Time alteration
possible
Temporal disorientation
possible
Awareness(4)likelihood · intensity
Personal insight
possible
Lucidity enhancement
possible
Mindfulness enhancement
possible
Reality testing impairment!
v.rare
Likelihood: how common this effect is at the selected dose level.This effect has safety implications — review before use.

Timeline

Safety[edit]

Harm
Acute toxicity
Moderate
Chronic toxicity
Low
Withdrawal
Mild
Tolerance buildup
moderate
Tolerance reset
10 days
Dependence
Physical
Low
Psychological
Moderate
Compulsive redosing
High
Dose escalation
Moderate
Cross-tol.
dopaminergic stimulants · other monoamine releasing agents
Risk Shape
TOXPHYPSYWDRREDTOL

Toxicity

No experimentally derived lethal dose, safe dose ceiling, or maximum tolerated dose has been established for NM-2-AI in any species. The exact toxic dose in humans is unknown.

Predicted toxicity

Computational modeling provides the only toxicity estimates available. Jurowski and Frydrych published predicted oral LD50 values in rats ranging from approximately 113 to 560 mg/kg across multiple modeling platforms.[7] The same models predict an 82% probability of cardiovascular toxicity and a 65% probability of pulmonary involvement. Predicted heart rhythm disruption risk (hERG channel inhibition) appears low at anticipated recreational concentrations, though this has not been validated experimentally.[7]

Genotoxicity modeling returned a 66.3% probability of mutagenicity — higher than the parent compound 2-AI (58.7%), suggesting the N-methyl group increases this risk.[7]

All toxicity values above are computational predictions, not experimental measurements. In silico models have variable accuracy for novel substances, and these values should not be treated as established safety thresholds.

Structural analog toxicology

MDAI, the closest aminoindane with experimental toxicity data, showed strong liver toxicity potential in human liver cells (exceeding MDMA) and caused fatal blood clotting abnormalities with brain swelling in rats.[16][17][18] At least one human death involved MDAI (blood level 2.09 mg/L in a polydrug context).[19] Whether NM-2-AI shares these specific toxicity patterns is unknown — its lack of ring substitution may produce a different organ toxicity profile.

Human forensic cases

One confirmed fatality involving NM-2-AI: Sioux City, Iowa, 2015 — NM-2-AI at 95.4 ng/mL in whole blood alongside the synthetic cannabinoid MAB-CHMINACA (2.7 ng/mL).[4] The polydrug context prevents definitive attribution. Seven additional suspected exposures were reported by the Pittsburgh Poison Center between 2020 and 2021.[4]

Overheating risk

MDAI produced dangerous body temperature elevation in group-housed rats, amplified by social and warm conditions.[16] NM-2-AI's norepinephrine-dominant pharmacology can independently raise body temperature through sympathetic activation, even without the serotonin release that drives hyperthermia with entactogens.

Psychological Risks

No controlled data on psychological adverse effects exist. Based on pharmacology and community reports:

  • Anxiety and agitation: Norepinephrine excess is inherently anxiety-producing. Restlessness and overstimulation are reported at higher doses.
  • Compulsive redosing: The short duration and rapid offset create strong pressure to redose, a pattern consistently noted in community reports.
  • Post-acute depression and irritability: Expected from monoamine depletion following release, a class-typical effect.
  • Psychosis: No published case reports, but stimulant psychosis is a class-level risk at high doses or with prolonged use.

Tolerance & Dependence

No published data on NM-2-AI tolerance, dependence, or withdrawal exist.

Tolerance develops with repeated use. Community sources estimate full reset at approximately 1.5 weeks, with cross-tolerance reported to other dopaminergic stimulants.inferred

Dependence potential is rated moderate by community consensus — described as "moderately addictive with a high potential for abuse." No published study has confirmed this for NM-2-AI specifically.safety citation needed MDAI produced reward-seeking behavior in mice at low doses,[17] confirming abuse potential exists across the aminoindane class.

Drug Interactions

Serotonin syndrome risk: Aminoindanes as a class carry acute serotonin syndrome risk at high doses or in combination with serotonergic agents.[13] Even with NM-2-AI's primary noradrenergic mechanism, combining it with SSRIs, SNRIs, MAOIs, tramadol, or other entactogens that raise serotonin levels creates danger. The active metabolite 2-AI may contribute serotonergic interactions not predicted from the parent compound alone.

Tramadol: Rated lethal in community interaction data. Tramadol blocks serotonin reuptake and lowers seizure threshold; combined with a monoamine releaser, the mechanisms for lethality include serotonin syndrome and seizures.safety citation needed

MDMA: Rated dangerous. Combining two monoamine releasers produces additive serotonin release, overheating risk, and cardiovascular overload.

MAOIs: Monoamine oxidase inhibitors combined with substrate-type releasers produce potentially fatal blood pressure crisis and serotonin syndrome through uncontrolled monoamine accumulation.

Pharmacokinetic interactions: The genetic variability in NAT2 (the enzyme that clears the active metabolite 2-AI) means that drugs competing for the same enzyme pathway could prolong active metabolite exposure.[14]

Contraindications

No substance-specific contraindication data have been published. The following are inferred from NM-2-AI's stimulant and monoamine-releasing pharmacologyinferred:

Absolute (class-level inference):

  • Concurrent MAOI use: Risk of fatal blood pressure crisis and serotonin syndrome
  • Uncontrolled high blood pressure: Noradrenergic activation elevates blood pressure further
  • Severe heart condition: The 82% predicted cardiovascular toxicity probability[7] makes pre-existing cardiac disease a high-risk factor

Relative (class-level inference):

  • Seizure disorders: Stimulants lower seizure threshold
  • Liver impairment: NM-2-AI undergoes liver metabolism; impaired clearance could increase exposure
  • Bipolar disorder or psychosis spectrum conditions: Stimulant activation may trigger mania or psychotic episodes
  • Pregnancy: No reproductive data exist; stimulant vasoconstrictors are contraindicated as a class in pregnancy

Harm Reduction[edit]

Forms & Identification

Reagent ResultsNot recorded+ add reagent results
AppearanceNot recorded+ add appearance
Red FlagsNot recorded+ add red flags

NM-2-AI's simple chemical structure does not produce distinctive color changes with common reagent test kits (Marquis, Mecke, Mandelin), making field identification unreliable. A negative or ambiguous reagent result does not confirm identity — it only rules out some other substance classes. For NM-2-AI specifically, laboratory analysis (GC-MS or similar) is the only reliable confirmation method.

Because NM-2-AI originates entirely from unregulated synthesis, batch purity varies unpredictably. The compound has been found in forensic seizures alongside other novel psychoactive substances,[11] raising the possibility of contamination or mislabeling in vendor supply.

Guidelines

  • Test substance identity with reagent kits to rule out dangerous substitutions, and ideally confirm with laboratory analysis
  • Weigh doses with a milligram-precision scale — volumetric estimation of powders is unreliable
  • Set a firm dose limit and timing plan before the session; do not carry extra material
  • Start at the low end of the reported dose range and wait at least 90 minutes before considering a redose
  • Stay hydrated but avoid overhydration — moderate sipping, not forced water intake
  • Avoid use in hot environments or during intense physical activity
  • Have a trusted person aware of what you have taken and when
  • Do not combine with MAOIs, tramadol, MDMA, or other stimulants

Set & Setting

NM-2-AI's noradrenergic pharmacology produces a physically driven, alert state. Social environments may draw out mild prosocial effects; solitary use tends to amplify the restless, jittery quality. The short duration (2–4 hours) and abrupt offset create strong psychological pressure to redose — planning a firm dose limit before the session begins is more effective than deciding in the moment.

The stimulant body load (elevated heart rate, physical tension) can become uncomfortable in hot, crowded, or physically demanding settings. A calm environment with access to water and fresh air reduces physiological strain.

Aftercare & integration. The stimulant comedown from NM-2-AI involves monoamine depletion — expect fatigue, low mood, and irritability in the 12–48 hours following use. Sleep is the most effective recovery tool; if stimulant residue prevents sleep, a dark quiet room and avoidance of screens help more than additional substances.

Nutrient replenishment matters: eat a full meal within a few hours of the experience ending, prioritizing protein and complex carbohydrates. Magnesium supplementation may help with residual muscle tension.

If compulsive redosing occurred during the session, treat this as information — it reflects the compound's pharmacological profile, not personal failure, and it should factor into future decisions about use.

Recovery & Support

NM-2-AI's moderate dependence potential and compulsive redosing profile mean that patterns of escalating use can develop without the dramatic withdrawal seen with stronger stimulants. If use has become more frequent than intended, or if obtaining and using the substance occupies increasing mental bandwidth, these are early signals worth taking seriously.

Peer support communities, including online harm reduction forums and local mutual aid groups, provide non-judgmental spaces to discuss stimulant use patterns. Professional support through a substance use counselor is appropriate when self-regulation efforts have not been effective. SAMHSA's National Helpline (1-800-662-4357) offers free, confidential referral in the United States.

Recovery resources, crisis lines, and support pathways → View all

Emergency Response

Recognizing an emergency:

An elevated heart rate and mild anxiety alone do not constitute an emergency — chest pain, seizure, and extreme body temperature do.

Immediate steps:

  • 1. Call emergency services if any of the above signs are present
  • 2. Move the person to a cool, quiet area
  • 3. If unconscious but breathing, place in the recovery position (on their side)
  • 4. Do not restrain a conscious person unless there is immediate danger of self-harm
  • 5. Do not induce vomiting
  • 6. Stay with the person until help arrives

What to tell the dispatcher: Name the substance (NM-2-AI / N-methyl-2-aminoindane), the estimated amount taken, the time of ingestion, and current symptoms. Good Samaritan laws in many jurisdictions protect people who call for help during a drug emergency.

references

  1. [1] 
    ^abcSimmler LD, Rickli A, Schramm Y, Hoener MC, Liechti ME (2014) Pharmacological profiles of aminoindanes, piperazines, and pipradrol derivatives. — Biochemical Pharmacology doi:10.1016/j.bcp.2014.01.024
  2. [2] 
    ^abcdHalberstadt A, Brandt S, Walther D, Baumann M (2019) 2-Aminoindan and its ring-substituted derivatives interact with plasma membrane monoamine transporters and alpha2-adrenergic receptors — Psychopharmacology doi:10.1007/s00213-019-05207-1
  3. [3] 
    ^abcdPinterova N, Horsley RR, Palenicek T (2017) Synthetic Aminoindanes: A Summary of Existing Knowledge. — Frontiers in Psychiatry doi:10.3389/fpsyt.2017.00236
  4. [4] 
    ^abcdefgUS Drug Enforcement Administration (2021) DEA Alert Regarding N-Methyl-2-Aminoindane (NM-2-AI) Link
  5. [5] 
    ^abcUnited Nations Office on Drugs and Crime (UNODC) (2017) Details for Aminoindanes Link
  6. [6] 
    ^abcdefgTirri M, Corli G, Arfe R, Marchetti B, Bilel S, Bernardi T, Boccuto F, Odoardi S, Mestria S, Strano-Rossi S, Marti M (2023) Behavioral and Pharmacokinetics Studies of N-Methyl-2-Aminoindane (NM2AI) in Mice: An Aminoindane Briefly Used in the Illicit Drug Market. — International Journal of Molecular Sciences doi:10.3390/ijms24031882