Methyl 4-(2-((2-methoxy-2-phenylbutyl)amino)-2-oxoacetamido)benzoate

2-(1-{[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylpropanamido]methyl}cyclohexyl)acetic acid

2-{4-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylbutanoyl]-1,4-diazepan-1-yl}acetic acid

4-{[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methyl-1,3-thiazol-5-yl]formamido}-4-methylpentanoic acid

1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1,3-thiazole-4-amido]cyclohexane-1-carboxylic acid

2-{2-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanamido]phenyl}acetic acid

2-(1-{4-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclohexyl}-N-(prop-2-yn-1-yl)formamido)acetic acid

1-{1-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylpropanoyl]azetidin-3-yl}-1H-1,2,3-triazole-4-carboxylic acid

(2S)-2-{[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methyl-1,3-thiazol-5-yl]formamido}-4-(methylsulfanyl)butanoic acid

2-{4-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylbutanoyl]-1,4-diazepan-1-yl}acetic acid

3-(3-Isobutyl-4H-1,2,4-triazol-4-yl)propanoic acid