Showing structure for methyl (4as,6as,6br,8ar,9s,10s,11r,12ar,12br,14bs)-10,11-bis(acetyloxy)-9-[(acetyloxy)methyl]-2,2,6a,6b,9,12a-hexamethyl-1,3,4,5,6,7,8,8a,10,11,12,12b,13,14b-tetradecahydropicene-4a-carboxylate