1,1'-(1,4-PHENYLENE)BISETHANONE 1,4-Diacetylbenzene 1009-61-6 Benzene, p-diacetyl- (8CI) EINECS 213-769-4 Ethanone, 1,1'-(1,4-phenylene)bis- NSC 295548 p-Acetylacetophenone p-Diacetylbenzene