(3alpha,5beta,12beta)-3,12,14-trihydroxycard-20(22)-enolide

3-[(3R,5R,8R,9S,10S,12R,13S,17R)-3,12,14-trihydroxy-10,13-dimethyl-1,2,3,4,5,6,7,8,9,11,12,15,16,17-tetradecahydrocyclopenta[a]phenanthren-17-yl]-2H-furan-5-one