(6-(1-Amino-2-methylpropyl)pyridin-3-yl)methanol

1-[(3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanoyl]-2-propylpyrrolidine-2-carboxylic acid

4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-5-{2-oxa-6-azaspiro[3.3]heptan-6-yl}-5-oxopentanoic acid

4-[(2S)-3-(dimethylamino)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]cyclopent-1-ene-1-carboxylic acid

(2S)-2-[(3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-N-methylpentanamido]propanoic acid

1-benzyl-3-{2-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentyl]acetamido}pyrrolidine-3-carboxylic acid

4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-{methyl[(1-methylcyclopropyl)methyl]carbamoyl}butanoic acid

4-[({bicyclo[3.1.0]hexan-1-yl}methyl)(methyl)carbamoyl]-4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanoic acid

4-[4-(dimethylamino)-3-methylpiperidin-1-yl]-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-oxobutanoic acid

1-{[3-(benzyloxy)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanamido]methyl}cyclohexane-1-carboxylic acid

2-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanoyl]-2-azabicyclo[2.1.1]hexane-1-carboxylic acid