1,4-Bisacetamidobenzene 1,4-Diacetamidobenzene 140-50-1 4'-Acetamidoacetanilide Acetamide, N,N'-1,4-phenylenebis- Acetamide, N,N'-p-phenylenebis- N,N'-Diacetyl-p-phenylenediamine NSC401116 p-Phenylenediacetamide