Library fentanyl Fentanyl is a synthetic opioid of the anilidopiperidine class first synthesized by Paul Janssen in 1960 and approved for medical use in the…

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Library fentanyl_butanamide_analogue

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Library fentanyl_methylene_homolog

Library fluetonitazene Fluetonitazene is a benzimidazole derivative which is an opioid designer drug. It was patented in 2024 as a potential novel analgesic, but…

Library fluetonitazepyne Fluetonitazepyne is a benzimidazole derivative which is an opioid designer drug. It was first identified in Italy in July 2024, and subsequ…

Library flunitazene Flunitazene (Fluonitazene) is a benzimidazole derivative with opioid effects, first developed in the 1950s as part of the research that led…

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Library furanyl_uf17

Library furanylbenzylfentanyl

Library furanylfentanyl Furanylfentanyl is a potent synthetic opioid analgesic of the anilinopiperidine class and a structural analogue of fentanyl. Classified as…

Library glaucine An alkaloid that is found in several different scpecies in the Papaveraceae family. It has antiinflammatory and antitussive effects. Can al…

Library heroin Heroin (diacetylmorphine) is a semi-synthetic opioid of the morphinan class derived from morphine, a natural product of the opium poppy. Fi…

Library hydrocodone Hydrocodone is a semi-synthetic opioid of the morphinan class, derived from codeine. First synthesized in Germany in 1920 by Carl Mannich a…

Library hydromorphine Hydromorphone, also known as dihydromorphinone, and sold under the brand name Dilaudid among others, is a morphinan opioid used to treat mo…

Library hydromorphone Hydromorphone is a semisynthetic opioid of the morphinan class, derived as a hydrogenated ketone of morphine. First introduced to the mass…

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Library isobutonitazene

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Library isobutyryl_fentanyl

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Library isobutyrylffentanyl_nbenzyl_analogue

Library isomethadone Isomethadone is a synthetic opioid analgesic structurally related to methadone. It was formerly available as a pharmaceutical product but h…

Library isotonitazene Isotonitazene is classified as Potent μ-opioid receptor full agonist (synthetic opioid). It belongs to the Benzimidazole-derived nitazene o…

Library ketobemidone An opioid analgesic drug that also acts as an NDMA antagonist. Found to be as potent as morphine in physical side effects, and has high pot…