Synonyms: 1,2,N,N'-Tetraphenylethane-1,2-diimine;N,N'-(1,2-Diphenyl-1,2-ethanediylidene)bisaniline;N,N'-(1,2-Diphenyl-1,2-ethanediylidene)bisbenzenamine;N,N'-(1,2-Diphenylethanediylidene)bis(aniline);N,N',1,2-Tetraphenylethane-1,2-bisimine;N,N'-Diphenyl-1,2-diphenylethane-1,2-diimine