3-[(3-Chloro-4-fluorophenyl)methyl]azetidin-3-ol

(3S)-3-{3-[1-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclohexyl]propanamido}butanoic acid

(3S)-3-[3-cyclopropyl-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2,2-difluoropropanamido]butanoic acid

(3S)-3-({3-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]-1-methyl-1H-pyrazol-5-yl}formamido)butanoic acid

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

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

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

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

2-{2-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methylpentanamido]cyclopentyl}acetic acid

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

(1RS,2SR)-2-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methylpentanamido]cyclopentane-1-carboxylic acid