英文名称
(E)-But-2-enoic acid (3S,5S,10R,13R,14S,17R)-3-[(2R,4R,5R,6R)-5-((E)-but-2-enoyloxy)-4-methoxy-6-methyl-tetrahydro-pyran-2-yloxy]-5,14-dihydroxy-13-methyl-17-(5-oxo-2,5-dihydro-furan-3-yl)-hexadecahydro-cyclopenta[a]phenanthren-10-ylmethyl ester