Synonyms: (1S,2S)-(-)-1,2-diphenylethylenediamine;[(1S,2S)-2-azaniumyl-1,2-diphenyl-ethyl]azanium;(1S,2S)-(-)-1,2-Diphenyl-1,2-ethane diamine;(1S,2S)-1,2-diphenylethylenediamide;(1S,2S)-(-)-1,2-Diphenylenediamine;(1S, 2S)-1,2-Diphenylethylenediamine;(1S,2S)-1,2-Diphenyl-1,2-ethanediamine;(1S,2S)-1,2-diphenylethane-1,2-diamine;(S,S)-diphenylethylenediamine;(1S,2S)-(-)-1,2- Diphenylethylenediamine;