3-[(3R,5S,8R,9S,10R,13R,14S,17R)-14-hydroxy-3-[(2R,4S,5S,6R)-4-hydroxy-5-[(2S,4S,5S,6R)-5-[(2S,3R,4R,5S,6R)-3-hydroxy-5-[(2S,4S,5S,6R)-5-hydroxy-4-methoxy-6-methyloxan-2-yl]oxy-4-methoxy-6-methyloxan-2-yl]oxy-4-methoxy-6-methyloxan-2-yl]oxy-6-methyloxan-2-yl]oxy-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 生成
3-Epi-uzarigenin