<unk>  is classed as a nitro-benzodiazepine. It is the fluorinated N-methyl derivative of nitrazepam. Other nitro-benzodiazepines include nitrazepam (the parent compound), nimetazepam (methylamino derivative) and clonazepam (2ʹ-chlorinated derivative).
Flunitrazepam
Flutoprazepam
Halazepam
Triazolam
Medazepam
Remimazolam
Amfepramone
Estazolam