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…

Library hydroxyzine Hydroxyzine is a first-generation antihistamine of the diphenylmethane and piperazine classes, first developed in 1956. Primarily prescribe…

Library ibogaine Ibogaine is a naturally occurring indole alkaloid primarily derived from the root bark of Tabernanthe iboga, a plant native to Central and…

Library

Library ic26 Methiodone replaces methadone's ketone with a sulfone bioisostere, preserving μ-agonism but with variable potency reported at approximately…

Library imipramine Imipramine, sold under the brand name Tofranil, among others, is a tricyclic antidepressant (TCA) mainly used in the treatment of depressio…

Library imodium Loperamide is an over-the-counter anti-diarrheal that normally does not cross the blood-brain barrier due to P-glycoprotein efflux. At ther…

Library

Library isobutonitazene

Library

Library isobutyryl_fentanyl

Library

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

Library isopropylu47700

Library isotonitazene Isotonitazene (CAS 14188-81-9) was first characterized in illicit markets in 2019 and scheduled by the U.S. DEA in 2020. In vitro it shows…

Library isotonitazepyne Isotonitazepyne is approximately 1000 times more potent than morphine in vitro. Active doses are in the microgram range; volumetric dosing…

Library

Library kanna Kanna (Sceletium tortuosum) is a succulent plant native to South Africa that has been used by indigenous Khoisan peoples for thousands of y…

Library kava Kava is a psychoactive beverage and herbal product derived from the rootstock of Piper methysticum, a tropical shrub native to the western…

Library ketazolam Benzodiazepine derivative that has most of the common benzodiazepine effects. Has been seen to have similar effectiveness when compared to…

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…

Library

Library kratom Kratom is a tropical plant (Mitragyna speciosa) native to Thailand and Southeast Asia, where its leaves have been used as a traditional med…