製品名:methyl (R)-4-((3R,5S,8R,9S,10S,12S,13R,14S,17R)-3,12-dihydroxy-10,13-dimethyl-7-oxohexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoate
IUPAC Name:methyl (4R)-4-[(1R,3aS,3bR,5aS,7R,9aS,9bS,11S,11aR)-7,11-dihydroxy-9a,11a-dimethyl-4-oxo-hexadecahydro-1H-cyclopenta[a]phenanthren-1-yl]pentanoate