Synonyms: 1,2-Ethanediamine,1,2-diphenyl-, [R-(R*,R*)]-;(+)-1,2-Diphenylethylenediamine;(1R,2R)-(+)-Diphenylethylenediamine;(1R,2R)-Diphenylethanediamine;(R,R)-(+)-1,2-Diphenyl-1,2-diaminoethane;(R,R)-1,2-Diphenyl-1,2-ethanediamine;(1R, 2R) -1,2-Diphenyl-1 ,2-Ethanediamine;(1R,2R)-(+)1,2-Diphenylethylenediamine;