2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-(2-nitropyridin-4-yl)propanoic acid

2-{4-Amino-1-azabicyclo[3.2.1]octan-4-yl}acetic acid

1-[(4-Methylpyrrolidin-3-yl)methyl]azetidine-2-carboxamide

1-({3-Azabicyclo[3.1.0]hexan-6-yl}methyl)azetidine-2-carboxamide

1-[(3-Aminocyclobutyl)methyl]azetidine-2-carboxamide

1-[(2S)-2-amino-4-methylpentyl]azetidine-2-carboxamide

2-{1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1,3-thiazole-5-carbonyl]piperidin-4-yl}acetic acid

3-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1,3-thiazole-5-carbonyl]-3-azabicyclo[3.1.0]hexane-1-carboxylic acid

3-{N-benzyl-1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1,3-thiazol-5-yl]formamido}propanoic acid

3-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1,3-thiazole-5-amido]cyclobutane-1-carboxylic acid

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