Showing structure for (2r,4as,6ar,6br,8ar,10s,12ar,12br,14bs)-10-hydroxy-6a-[(3z)-4-(4-hydroxy-3-methoxyphenyl)-2-oxobut-3-en-1-yl]-2,6b,9,9,12a-pentamethyl-2,3,4,5,6,7,8,8a,10,11,12,12b,13,14b-tetradecahydro-1h-picene-4a-carboxylic acid