Precursor to metabolite: Flunitrazepam to 7-aminoflunitrazepam

Flunitrazepam is converted to 7-aminoflunitrazepam by nitroreduction.

The pair

Flunitrazepam — Potent benzodiazepine hypnotic associated with amnesia and drug-facilitated assault; not approved in the U.S.
7-aminoflunitrazepam — Major urinary flunitrazepam metabolite used in forensic testing, including investigations of drug-facilitated assault.