(11aS)-1,1,1-Trifluoro-N-(12-oxido-1,10-diphenyl-4,5,6,7-tetrahydrodiindeno[7,1-de:1',7'-fg][1,3,2]dioxaphosphocin-12-yl)methanesulfonamide

(11aS)-1,1,1-Trifluoro-N-(12-oxido-1,10-diphenyl-4,5,6,7-tetrahydrodiindeno[7,1-de:1',7'-fg][1,3,2]dioxaphosphocin-12-yl)methanesulfonamide,