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