Ebel S, Schütz H
Z Rechtsmed. 1978 May 29;81(2):107-17. doi: 10.1007/BF00203870.
The article describes analytical data (TLC, GLC, IR, UV and MS) of flunitrazepam, 7-amino-flunitrazepam, desmethylflunitrazepam, 3-hydroxyflunitrazepam, 7-amino-desmethyl-flunitrazepam and many other benzodiazepine-derivatives, especially aminobenzophenones. Also extraction from biological specimen is reported.