nitazene

A synthetic opioid derived from 2-benzylbenzimidazole.

Any of a group of potent synthetic opioids with a structure related to nitazene, never approved for clinical use but manufactured as illicit drugs or adulterants thereof.

Several 2-benzylbenzimidazole opioids (also referred to as “nitazenes”) recently emerged on the illicit market. […] MOR activity determination confirmed that nitazenes are generally highly active, with potencies and efficacies of several analogues exceeding that of fentanyl.