1-Methyl-2-azabicyclo[3.1.0]hexane

4-[(3R)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methylpentanamido]benzoic acid

3-cyclobutyl-3-[(3R)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanamido]propanoic acid

(1R,5S)-3-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylpentanoyl]-3-azabicyclo[3.1.0]hexane-6-carboxylic acid

9H-fluoren-9-ylmethyl N-({5-[(2-methoxyethyl)amino]-2,3-dihydro-1-benzofuran-2-yl}methyl)carbamate

2-cyclobutyl-2-{2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]butanamido}acetic acid

2-cyclobutyl-2-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylbutanamido]acetic acid

3-[2-cyclopropyl-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)acetamido]-2,2-dimethylpropanoic acid

1-[(2R)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-(methylsulfanyl)butanoyl]-3-methylazetidine-3-carboxylic acid

1-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)benzoyl]-3-methylazetidine-3-carboxylic acid

1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)benzoyl]-3-methylazetidine-3-carboxylic acid