Synonyms: (S)-(-)-2,2'-Bis[di(3,5-xylyl)phosphino]-6,6'-dimethoxy-1,1'-biphenyl,min.97%;(S)-(-)-2,2''-BIS[DI(3,5-XYLYL)PHOSPHINO]-6,6''-DIMETHOXY-1,1''-BIPHENYL, MIN. 97%;(S)-(6,6μ-Dimethoxybiphenyl-2,2μ-diyl)bis[bis(3,5-dimethylphenyl)phosphine];(S)-3,5-Xyl-MeOBIPHEP, SL-A120-2, (S)-2,2μ-Bis[bis(3,5-dimethyl)phosphino]-6,6μ-dimethoxy-1,1μ-biphenyl