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Library rima Reversible inhibitors of monoamine oxidase A (RIMAs) are a class of drugs which selectively and reversibly inhibit the enzyme monoamine oxi…

Library risperidone Risperidone (also known as Risperdal) is an atypical antipsychotic medication of the benzisoxazole chemical class. Risperidone is prescribe…

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Library ro_073953

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Library ro_074065 Difludiazepam (Ro07-4065) is a benzodiazepine derivative which is the 2',6'-difluoro derivative of fludiazepam. It was invented in the 1970…

Library ronlax A benzodiazepine derivative that posses the standard benzodiazepine effects. It has a very long half life (51-103 hours) it metabolizes int…

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Library salvia Salvia divinorum is a plant species in the sage genus native to the cloud forests of Oaxaca, Mexico, containing the potent compound salvino…

Library scopolamine Scopolamine is a naturally occurring tropane alkaloid found in plants of the Solanaceae family, including Datura species, where it serves a…

Library secobarbital Secobarbital, also known as secobarbitone in British English and by the brand name Seconal, is a short-acting psychoactive drug of the barb…

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Library spirobrorphine Spirobrorphine is a synthetic opioid chemical compound which has been sold as a designer drug, first reported in the USA in February 2026.…

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Library sr14968 SR-14968 is a drug which acts as a biased agonist at the μ-opioid receptor, selective for activation of the G-protein signalling pathway ov…

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Library sr17018 SR-17018, also known informally as SR-17 or just SR and as 5,6-dichloro-desmethylchlorphine, is an atypical opioid receptor modulator with…

Library sufentanil Sufentanil, also known as sufentanyl and by the brand name Sufenta, is an extremely potent synthetic anilidopiperidine opioid analgesic. Su…

Library temazepam Temazepam is a short-acting benzodiazepine that produces sedative, hypnotic, anxiolytic, muscle relaxant, and anticonvulsant effects. Altho…

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Library tetrahydrofuranfentanyl An analogue of fentanyl that is unknown in literature. Is most likely less potent than most other analogues. Yet very few reports are aroun…

Library tetrahydropalmatine Tetrahydropalmatine (THP) is an isoquinoline alkaloid found in several different plant species, mainly in the genus Corydalis, but also in…

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Library tetramethylcyclopropanefentanyl

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Library tetramethylfentanyl

Library tetrazepam A benzodiazepine that has most of the properties of more common benzodiazepines. Yet was taken off the market in 2013. Has been noted to be…

Library thionordazepam

Library thiopental Thiopental is an ultrashort-acting barbiturate of the thiobarbituric acid class, primarily used in clinical settings for the induction of g…