2',2'''-Dichloro-4',4'''-biacetanilide 3,3'-Dichloro-N,N'-diacetylbenzidine 35958-51-1 4',4'''-BIACETANILIDE, 2', 2'''-DICHLORO- 4-13-00-00385 (Beilstein Handbook Reference) BRN 2760935