Synonyms: (S)-2,2'-DIPHENYL-(4-BIPHENANTHROL);(S)-VAPOL;(R)-2,2'-DIPHENYL-3,3'-(4-BIPHENANTHROL);(3R)-(-)-2,2'-DIPHENYL-[3,3'-BIPHENANTHRENE]-4,4'-DIOL DICHLOROMETHANE ADDUCT;(3S)-(+)-2,2'-DIPHENYL-[3,3'-BIPHENANTHRENE]-4,4'-DIOL DICHLOROMETHANE ADDUCT;(3R)-(-)-2,2'-Diphenyl-[3,3'-biphenanthrene]-4,4'-dioldichloromethaneadduct,min.98%(R)-VAPOL;(3R)-(-)-2,2'-DIPHENYL-[3,3'-BIPHENANTHRENE]-4,4'-DIOL DICHLOROMETHANE ADDUCT (R)-VAPOL;2,2'-diphenyl-3,3'-biphenanthrene-4,4'-diol