4H-3,15a-Epoxy-1-benzoxepino(6',7':6,7)indeno(1,2-b)indol-4-one, 9-(1,1-dimethyl-2-propenyl)-2,3,5b,6,7,7a,8,13,13b,13c,14,15-dodecahydro-5b-hydroxy-2,2,13b,13c-tetramethyl-, (3R-(3alpha,5balpha,7abeta,13balpha,13cbeta,15aalpha))-