Synonyms: 7H-?6,?9a-?Methano-?4H-?cyclopenta[9,?10]?cyclopropa[5,?6]?cyclodeca[1,?2-?d]?-?1,?3-?dioxin-?13-?one, 6,?6a,?7a,?8,?9,?12,?12a,?12b-?octahydro-?12,?12a-?dihydroxy-?2,?2,?7,?7,?9,?11-?hexamethyl-?, (6R,?6aR,?7aR,?9R,?9aS,?12S,?12aR,?12bR)?-