1-13-00-00067 (Beilstein Handbook Reference) 3,3'-Dichloro-N-acetylbenzidine 3,3-Dichloro-N-acetylbenzidine 4'-(4-Amino-3-chlorophenyl)-2'-chloroacetanilide 72732-23-1 ACETANILIDE, 4'-(4-AMINO-3-CHLOROPHENYL)-2'-CHLORO- BRN 3350940 N-Acetyl-3,3'-dichlorobenzidine