Summary Furanylfentanyl (Fu-F) is an opioid analgesic, structurally similar to fentanyl, and has been distributed as a designer drug.[2][3] In mice, it exhibits an ED50 value of 0.02 mg/kg, indicating it is roughly one-fifth as potent as fentanyl. Identifiers IUPAC name CAS Number 101345-66-8 PubChem CID 13653606 ChemSpider 14921702 UNII 3F7C9J1LS7 Chemical and physical data …
Summary Etonitazene, also referred to as EA-4941 or CS-4640, is a benzimidazole opioid. Its discovery dates back to 1957. Studies have indicated that it possesses an astonishing potency level, estimated to be roughly 1,000 to 1,500 times more potent than morphine when tested in animals.Due to its marked potential for causing dependence and a propensity …
Summary U-47700 also recognized as U4, pink heroin, pinky, or pink, is an opioid analgesic drug initially developed by a team at Upjohn during the 1970s. In animal models, it boasts approximately 7.5 times the potency of morphine.A physical sample of U-47700 is available for reference.This compound is a structural isomer of the earlier opioid …
