(+)-1,2-双[(2S,5S)-2,5-二甲基磷]苯(+)-1,2-Bis[(2S,5S)-2,5-dimethylphospholano]benzene(2S,2′S,5S,5′S)-2,2′,5,5′-Tetramethyl-1,1′-(o-phenylene)diphospholane(2S,2′S,5S,5′S)-2,2′,5,5′-四甲基-1,1′-(邻亚苯基)二磷烷(S,S)-Methyl-DUPHOS(S,S)-Me-DUPHOS(S,S)-甲基-DUPHOS1,2-Bis[(2S,5S)-2,5-dimethyl-1-phospholanyl]benzene