Etizolam, 6–(o–chlorophenyl)–8–ethyl–1–methyl–1–methyl–4H–s–triazolo [3,4-c]–thieno [2,3-e]-[1,4]diazepine, is a thienodiazepine, with structure and effects similar tobenzodiazepines. It was first developed in Japan, and has been prescribed in Japan since the 1980s[49]....