(R)-3,3'-Di([1,1'-biphenyl]-4-yl)-5,5',6,6',7,7',8,8'-octahydro-[1,1'-binaphthalene]-2,2'-diol

(R)-3,3'-Di([1,1'-biphenyl]-4-yl)-5,5',6,6',7,7',8,8'-octahydro-[1,1'-binaphthalene]-2,2'-diol