(4S,7S,10S,13S,16S,19S)-19-((S)-2-(2-((S)-4-氨基-2-((S)-1-((S)-2-(((S)-2-氨基-3-甲基丁酰胺基)-3-(4-羟基苯基)丙酰基)吡咯烷-2-羧酰胺基)-4-氧代戊酰胺基)乙酰氨基)丙酰胺基)-4-(((S)-1- (((S)-1-((S)-2-(((S)-1-(((S)-4-羧基-1-(((S)-1-羧基-2-苯基乙基]氨基 )-