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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 acethyldihydrocodeine

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 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.

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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…

Library benzylmorphine Benzylmorphine (Peronine) is a semi-synthetic opioid narcotic introduced to the international market in 1896 and that of the United States…

Library bromadol A very potent opioid that has an arylcyclohexylamine structure. Intial studies estimated that it was ~10,000x Morphine in animal studies. H…

Library bromadoline Bromadoline (U-47931E) is an opioid analgesic selective for the μ-opioid receptor developed by the Upjohn company in the 1970s. The drug ha…

Library brorphine Brorphine is a piperidine-based opioid analgesic compound. Brorphine was originally described in a 2018 paper investigating functionally bi…