(11bS)-2,6-Bis[3,5-bis(trifluoromethyl)phenyl]-N,N-dimethyldinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-amine

(11bS)-2,6-Bis[3,5-bis(trifluoromethyl)phenyl]-N,N-dimethyldinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-amine