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