a rapid , precise , forward-phase ( adsorption ) high-performance liquid chromatographic procedure is presented for the determination of chlordiazepoxide and two common impurities , 7-chloro-1,3-dihydro-5-phenyl-2h-1,4-benzodiazepin-2-one 4-oxide and 2-amino-5-chlorobenzophenone , in commercial formulations and for the determination of the benzophenone in the chlordiazepoxide drug substance .
C0005064
benzodiazepin
C0008188
chlordiazepoxide