Synonyms: (S,S)-ME-DUPHOS;(S,S)-METHYL-DUPHOS;(+)-1,2-BIS[(2S,5S)-2,5-DIMETHYLPHOSPHOLANO]BENZENE;(2S,2'S,5S,5'S)-2,2',5,5'-TETRAMETHYL-1,1'-(1,2-PHENYLENE)DIPHOSPHOLANE;(2S,2'S,5S,5'S)-2,2',5,5'-TETRAMETHYL-1,1'-(O-PHENYLENE)DIPHOSPHOLANE;(+)-1,2-Bis((2S,5S)-2,5-dimethylphospholano)benzene,98+%(S,S)-Me-DUPHOS