CAS No 90108-55-7 , 3-[(3S,5R,8R,9S,10S,13R,14S,16R,17R)-3-[(2R,4S,5S,6R)-5-[(2S,4S,5S,
6R)-5-[(2S,4S,5S,6R)-4,
5-dihydroxy-6-methyloxan-2-yl]oxy-4-hydroxy-6-methyloxan-2-yl]oxy-4-
hydroxy-6-methyloxan-2-yl]oxy-14,16-dihydroxy-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