Acetamide,N,N'-1,4-butanediylbis, Diacetylglykoluril, 1,4-diacetylaminobutane, N,N'-Butandiyl-bis-acetamid, N,N'-Diacetyl-1,4-butanediamine, N,N'-Diacetylputrescine, N,N'-diacetyl-1,4-diaminobutane, Acetamide,N,N'-tetramethylenebis-(7CI,8CI), N,N'-butanediyl-bis-acetamide, 1,4-diacetylglycoluril, N,N'-Diacetyltetramethylendiamin, 1,4-diacetyl-tetrahydro-imidazo[4,5-d]imidazole-2,5-dione, Diacetylputrescine, N,N'-Diacetyl-putrescin, Tetramethylenebisacetamide, 1,4-Diacetyl-glykoluril, 1,4-Butanebisacetamide, N-[4-(Acetylamino)butylene]acetamide, N,N'-Diacetyl-1,4-butandiamin