7,9a-Epoxy-9aH-cyclopenta[3,4]cyclododec[1,2-b]oxiren-9(2H)-one,2,4-bis(acetyloxy)-12-(benzoyloxy)dodecahydro-6-hydroxy-1a,5,5,8,11-pentamethyl-,[1aR-(1aR*,2R*,4R*,6R*,7R*,8S*,9aR*,11S*,12S*,12aR*,12bR*)]-