Showing structure for (1s,2r,4as,6as,6br,8ar,10s,12as,12br,14bs)-10-(acetyloxy)-1,2,6a,6b,9,9,12a-heptamethyl-13-oxo-1,2,3,4,5,6,7,8,8a,10,11,12,12b,14b-tetradecahydropicene-4a-carboxylic acid