Synonyms: (5aR,7R,8S,8aR,14aS,14bR)-7,8-dimethyl-5a,6,7,8,8a,14b-hexahydro-5H-benzo[kl]bis[1,3]dioxolo[4,5-b:4',5'-g]xanthen-5-one;5H-benzo[kl][1,3]dioxolo[4,5-b]-1,3-dioxolo[4,5-g]xanthen-5-one, 5a,6,7,8,8a,14b-hexahydro-7,8-dimethyl-, (5aR,7R,8S,8aR,14aS,14bR)-