1,1'-[(5R)-2,2',3,3'-Tetrahydro[5,5'-bi-1,4-benzodioxin]-6,6'-diyl]bis[1,1-bis[3,5-bis(trifluoromethyl)phenyl]phosphine] 250mg

1,1'-[(5R)-2,2',3,3'-Tetrahydro[5,5'-bi-1,4-benzodioxin]-6,6'-diyl]bis[1,1-bis[3,5-bis(trifluoromethyl)phenyl]phosphine] 250mg