5-(二氨基亚甲基氨基)-2-[[8-[[14-羟基-10,13-二甲基-17-(6-氧代吡喃-3-基)-1,2,3,4,5,6,7,8,9,11,12,15,16,17-十四氢环戊烯并[a]菲-3-基]氧基]-8-氧代辛酰]氨基]戊酸

(2S)-5-(diaminomethylideneamino)-2-[[8-[[(3S,5R,8R,9S,10S,13R,14S,17R)-14-hydroxy-10,13-dimethyl-17-(6-oxopyran-3-yl)-1,2,3,4,5,6,7,8,9,11,12,15,16,17-tetradecahydrocyclopenta[a]phenanthren-3-yl]oxy]-8-oxooctanoyl]amino]pentanoic acid