Summary Acetyl fentanyl, often referred to as acetyl fentanyl, is an opioid analgesic substance and a derivative of fentanyl, a powerful synthetic opioid. Research indicates that acetyl fentanyl is approximately fifteen times more potent than morphine. This potency suggests that,…
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…
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…
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…
