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(R)-7,7′-雙[二(3,5-二甲基苯基)膦基]-2,2′,3,3′-四氫-1,1′-螺二茚

(R)-7,7'-Bis(bis(3,5-dimethylphenyl)phosphino)-2,2',3,3'-tetrahydro-1,1'-spirobi[indene]