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Library ethaqualone Analogue of Methaqualone that was mostly marketed in France. Slightly weaker and shorter acting than the prior.

Library ethchlorvynol Ethchlorvynol has been used to treat insomnia. Due to its barbiturate-like problems concerning abuse and overdose, U.S. manufacturers disco…

Library ether An industrial solvent which is sometimes used recreationally as a dissociative anaesthetic, with a short length of action. Effects are simi…

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Library ethizafone

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Library ethylbromazolam Ethylbromazolam is structurally similar to bromazolam with an ethyl instead of methyl group on the triazole ring. User reports suggest appr…

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Library ethylene_isotonitazepyne

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Library ethylflualprazolam Ethylflualprazolam is a benzodiazepine derivative which has been sold as a designer drug. It is structurally similar to flualprazolam, only…

Library ethylmorphine Ethylmorphine, also known as codethyline and dionine, is a semi-synthetic morphinan opioid first created by Merck in 1884 and used as a wea…

Library etizolam Etizolam is a depressant substance of the thienodiazepine class, structurally related to benzodiazepines but distinguished by a thiophene r…

Library etodesnitazene Etodesnitazene is a benzimidazole-derived opioid analgesic drug, which was originally developed in the late 1950s alongside etonitazene and…

Library etomidate Etomidate, sold under the brand name Amidate, is a short-acting intravenous anaesthetic agent used for the induction of general anaesthesia…

Library etonitazene Etonitazene is an extremely potent synthetic opioid discovered in 1957, approximately 1,000-1,500 times stronger than morphine in animal st…

Library etonitazepyne Etonitazepyne is a benzimidazole derivative with potent opioid effects which has been sold over the internet as a designer drug and linked…

Library fasoracetam A substance in the racetam family. Appears to be a GABA(B) agonist, and has shown to block memory disruptions caused by Baclofen, another G…

Library fenfluramine Fenfluramine was withdrawn from market as an appetite suppressant in 1997 due to cardiotoxicity (valvular heart disease and pulmonary hyper…

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Library fenphen Daily Fen-Phen use was linked to valvular heart disease and pulmonary hypertension via 5-HT2B receptor agonism by fenfluramine's metabolite…

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

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Library fetonitazene