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Library 44dmar 4,4'-DMAR is an extremely potent stimulant that is 5-10 times more potent than MDMA as a monoamine releasing agent. It has pharmacological…

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Library 4apb 4-(2-Aminopropyl)benzofuran (4-APB) is a monoamine releasing agent and novel designer drug of the benzofuran family. It acts as a serotonin…

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Library 4ba para-Bromoamphetamine is a substituted amphetamine with stimulant and entactogenic properties that is highly neurotoxic to serotonergic neu…

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Library 4bec

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Library 4benzylpiperidine In vitro release assays show EC50 values of approximately 41 nM for norepinephrine and 109 nM for dopamine with over 40-fold lower efficacy…

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Library 4bmar First definitively identified in Austria in January 2022 and sold online as racemic trans-diastereomer (approximately 90% assay purity). No…

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Library 4brapvp

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Library 4bromomethcathinone 4-Bromomethcathinone (4-BMC; brephedrone) is a brominated analog of methcathinone with a unique pharmacological profile among stimulant cat…

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Library 4bromomethylaminorex

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Library 4brpvp

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Library 4ca 4-CA is primarily a laboratory neurotoxin used to selectively destroy serotonergic neurons in research. It was briefly investigated as an a…

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Library 4cbc 4-CBC is a halogenated cathinone that acts as a monoamine transporter substrate with EC50 values similar to 4-CMC, indicating strong dopami…

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Library 4cd 4C-D (Ariadne) is a rare psychedelic phenethylamine first synthesized by Alexander Shulgin in 1968. It was developed by Bristol Laboratorie…

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Library 4cdc

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Library 4cec 4-CEC is a poorly researched synthetic cathinone with limited human use data. Preclinical studies suggest neurotoxic properties including t…

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Library 4chloromethamphetamine para-Chloromethamphetamine is a stimulant that is the N-methyl derivative and prodrug of the neurotoxic drug para-chloroamphetamine (4-CA).…

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Library 4chloronbutylcathinone

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Library 4chloronndimethylcathinone

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Library 4chloropentedrone

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Library 4clmar 4-Cl-MAR is a novel halogenated aminorex derivative with virtually no human safety data. Halogenated aminorexes may share neurotoxicity con…