(11bR)-8,9,10,11,12,13,14,15-Octahydro-4-hydroxy-2,6-bis[4-(trifluoromethyl)phenyl]-4-oxide-dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin
(11BR)-8,9,10,11,12,13,14,15-OCTAHYDRO-4-HYDROXY-2,6-BIS[4-(TRIFLUOROMETHYL)PHENYL]-4-OXIDE-DINAPHTHO[2,1-D:1',2'-F][1,3,2]DIOXAPHOSPHEPIN