73436-47-2 Oxireno(1',5')cyclopenta(1',2':5,6)naphth(2,1-c)oxepin-4,8(3bH,5H)-dione,1-(3-furanyl)-1,2,2a,5a,6,10a,10b,11,12,12a-decahydro-5-hydroxy-3b,6,6,10a,12a-pentamethyl-, (1S,2aR,3aR,3bR,5R,5aS,10aR,10bR,12aS)-