... rmed in the range of 10–1,000 ng/mL of diazepam, udiazepam, urazepam, prazepam, utoprazepam, dipotassium clorazepate, medazepam, chlordiazepoxide, unitrazepam, alprazolam, midazolam, ... heat frequently takes place. e decomposition is marked especially for oxazolam, cloxazolam, mexazolam, utazolam and haloxazolam having oxazolo rings in their structures [1]. In such cases, ... containing drugs, such as nitrazepam, nimetazepam, clonazepam and unitrazepam, the nitro group is rapidly metabolized into an amino group (in the 7-position) a er being absorbed into human...