CAS No 10176-39-3 , [(2R,3R,4S,6S)-3-formyloxy-6-[(2R,3R,4S,6S)-4-formyloxy-6-[(2R,3R,4S,
6R)-4-formyloxy-6-[[(3S,5R,8R,9S,10S,13R,14S,16S,
17R)-16-formyloxy-14-hydroxy-10,13-dimethyl-17-(5-oxo-2H-furan-3-yl)-1,
2,3,4,5,6,7,8,9,11,12,15,16,
17-tetradecahydrocyclopenta[a]phenanthren-3-yl]oxy]-2-methyloxan-3-yl]
oxy-2-methyloxan-3-yl]oxy-2-methyloxan-4-yl] acetate