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Library 6mam 6-MAM is the primary active metabolite of heroin and is responsible for heroin's characteristic rapid rush and intense euphoria. It crosses…

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Library 6mddm Semisynthetic opioid that is a derivative of Hydromorphone with little history of human use. Roughly around ~80x the potency of Morphine. S…

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Library 6methyl_desnitroetonitazene

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Library 7oh Present only at ≈0.6 % in kratom leaf, bulk 7-OH sold today is semisynthetic. Community assays reveal large potency discrepancies between c…

Library acetorphine Acetorphine is an extremely potent synthetic opioid analgesic, up to 8700 times stronger than morphine by weight. It is a derivative of eto…

Library acetylcodeine 6-Monoacetylcodeine (6-MAC) is an acetate ester of codeine in which the hydroxyl group on the 6 position has been acetylated. It is occasio…

Library acetyldihydrocodeine Dihydrocodeine is a semi-synthetic opioid analgesic of the morphinan class. Developed in Germany in 1908 and first marketed in 1911, it was…

Library acetylfentanyl Acetylfentanyl is a synthetic opioid of the anilidopiperidine class and a structural analog of fentanyl. Originally described in the 1960s…

Library acrylfentanyl Acrylfentanyl is a synthetic opioid of the anilinopiperidine class and a structural analog of fentanyl that has been sold online as a desig…

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Library ah7921 Opioid analgesic that is selective for the μ-opioid receptor. It has around 80% the potency of Morphine when taken orally.

Library alfentanil Alfentanil is a short-acting synthetic opioid analgesic approximately one-quarter to one-tenth the potency of fentanyl, with a rapid onset…

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Library alphamethyl_fentanyl Alpha-methylfentanyl is a monocarboxylic acid amide resulting from the formal condensation of the aryl amino group of N-phenyl-1-(1-phenylp…

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Library am7921

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Library ap237 Bucinnazine is an opioid analgesic drug that was widely used in China to treat pain in cancer patients as of 1986. It is one of the most po…

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Library ap238 AP-238 is an opioid designer drug related to drugs such as azaprocin and bucinnazine, with around the same potency as morphine. It was firs…

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Library benzodioxolefentanyl An analogue of Fentanyl that is not found in literature.

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Library benzodioxolfentanyl

Library benzoylfentanyl Benzoylfentanyl, also known as phenylfentanyl, is an opioid analgesic that is an analog of fentanyl and has been sold as a designer drug. I…

Library benzoyloylbenzylfentanyl

Library benzylfentanyl Benzylfentanyl (R-4129) is a fentanyl analog. It was temporarily placed in the US Schedule I by emergency scheduling in 1985 due to concern…