2719-05-3 4,4'-Diacetamidodiphenylmethane Acetamide, N,N'-(methylenedi-4,1-phenylene)bis- Acetanilide, 4',4'''-methylenebis- Bis(4-acetamidophenyl)methane Methylenebis-4,4'-acetanilide N,N'-Diacetyl-4,4'-diaminodiphenylmethane NSC12407