Synonyms: Ethanedione,1,1'-(1,4-phenylene)bis[2-phenyl- (9CI);Glyoxal, p-phenylenebis[phenyl-(7CI,8CI);1,4-Bis(2-phenyl-1,2-dioxoethyl)benzene;1,4-Bis(phenylglyoxalyl)benzene;1,4-Bis(phenylglyoxyloyl)benzene;1,4-Bis(phenylglyoxylyl)benzene;2,2'-Diphenyl-1,1'-(1,4-phenylene)diethanedione;NSC 379518;p-(Phenylglyoxyloyl)benzil;p-Bis(phenylglyoxaloyl)benzene;p-Bis(phenylglyoxalyl)benzene;p-Bis(phenylglyoxyloyl)benzene;p-Di(phenylglyoxalyl)benzene;