N-[(11bS)-4-[[(11bS)-2,6-Bis[3,5-bis(trifluoromethyl)phenyl]-4-[[(trifluoromethyl)sulfonyl]amino]-4λ5-dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-ylidene]amino]-2,6-bis[3,5-bis(trifluoromethyl)phenyl]-4λ5-dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-ylidene]-1,1,1-trifluoro-Methanesulfonamide