title: Spectrophotometric study of drugs containing the 1,4-diazepine-2-thione group.
mesh_terms: D001381:Azepines / Q000032:analysis*; D055598:Chemical Phenomena; D002621:Chemistry; D004355:Drug Stability; D006863:Hydrogen-Ion Concentration; D013056:Spectrophotometry, Ultraviolet; D013871:Thiones / Q000032:analysis*
chemical_list: D001381:Azepines; D013871:Thiones