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Library 13butanediol 1,3-Butanediol, also known as Ketohol when used as an alcohol substitute, is an organic compound with the formula CH3CH(OH)CH2CH2OH, not to…

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Library 14butanediol 1,4-Butanediol is a synthetic diol compound first synthesized in 1890 by Dutch chemist Pieter Johannes Dekkers. Widely used industrially as…

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Library 2fluorofentanyl

Library 2m2b 2-Methyl-2-butanol (also known as tert-amyl alcohol or 2M2B) is a tertiary alcohol substance that produces depressant, hypnotic, and anxiol…

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Library 2methoxyqualone 2-Methoxyqualone is a little-studied analogue of methaqualone, a sedative-hypnotic. Its effects are presumed to be similar to those of meth…

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Library 2methylap237

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Library 2methylmethoxyacetylfentanyl

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Library 34methylendioxyu47700

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Library 3fluorofentanyl

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Library 3hydroxyphenazepam 3-Hydroxyphenazepam is a potent designer benzodiazepine and active metabolite of phenazepam and cinazepam. It is 5-10 times more potent tha…

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Library 3mam 3-Monoacetylmorphine (3-MAM) or 3-acetylmorphine is a less active metabolite of heroin (diacetylmorphine), the other two being morphine and…

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Library 3me4fibf

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Library 3methylbutyrfentanyl

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Library 3methylcrotonylfentanyl

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Library 3methylfentanyl 3-Methylfentanyl is an opioid analgesic that is an analog of fentanyl. 3-Methylfentanyl is one of the most potent opioids, estimated to be…

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Library 3methylfuranylfentanyl

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Library 3phenylpropanoylfentanyl

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Library 4clibf Potency of 4Cl-iBF is not precisely established but in vitro binding suggests it is weaker than fentanyl yet far more potent than morphine…

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Library 4fcyclopropylbenzylfentanyl

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Library 4fibf 4-Fluoroisobutyrylfentanyl (also known as 4-FIBF and p-FIBF) is an opioid analgesic that is an analog of butyrfentanyl and structural isome…