(S)-2-((S)-2-((((9H-芴-9-基)甲氧基)羰基)氨基)-4-甲基戊酰胺基)-4-甲基戊酸

(S)-2-((S)-2-((((9H-芴-9-基)甲氧基)羰基)氨基)-4-甲基戊酰胺基)-4-甲基戊酸

(S)-2-((S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-methylpentanamido)-4-methylpentanoic acid