73410-23-8 Oxireno(1',5')cyclopenta(1',2':5,6)naphth(2,1-c)oxepin-8(3bH)-one,4,5-bis(acetyloxy)-1-(3-furanyl)-1,2,2a,4,5,5a,6,10a,10b,11,12,12a-dodecahydro-3b,6,6,10a,12a-pentamethyl-, (1S,2aR,3aR,3bS,4S,5R,5aS,10aR,10bR,12aS)-