1,1'-(1,2-Phenylene)bisethanone 1,2-Diacetylbenzene 704-00-7 Benzene, o-diacetyl- (6CI,7CI,8CI) Benzene-1,2-bis(acetyl) EINECS 211-877-6 Ethanone, 1,1'-(1,2-phenylene)bis- o-Diacetylbenzene