英文名称
(2S)-2-amino-5-[[(2S)-1-[[(3R,5R,8R,9S,10S,13R,14S,17R)-17-[(2R)-4-carboxybutan-2-yl]-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl]oxy]-4-methylsulfanyl-1-oxobutan-2-yl]amino]-5-oxopentanoic acid