Synonyms: | 2,2'-Bis(4-dimethylaminophenyl)-2,2'-biindane-1,1',3,3'-tetrone;2,2'-Bis[4-(dimethylamino)phenyl]-2,2'-bi[2H-indene]-1,1',3,3'-tetrone;2,2'-Bis[4-(dimethylamino)phenyl]-2,2'-bi[indan]-1,1',3,3'-tetrone;2,2'-Bis[p-(dimethylamino)phenyl][2,2'-biindan]-1,1',3,3'-tetrone |