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