(5-Cyclohexyl-isoxazol-3-yl)-carbamic acid phenyl ester

rac-4-[(1R,3R,5R)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)bicyclo[3.1.0]hexane-1-carbonyl]morpholine-2-carboxylic acid

(2S,4R)-1-[(1RS,3RS,5RS)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)bicyclo[3.1.0]hexane-1-carbonyl]-4-hydroxypyrrolidine-2-carboxylic acid

2-{7-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylbutanoyl]-7-azabicyclo[2.2.1]heptan-1-yl}acetic acid

2-(7-{2-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)ethoxy]acetyl}-7-azabicyclo[2.2.1]heptan-1-yl)acetic acid

rac-(1R,3S)-3-{[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylbutanamido]methyl}-2,2-difluorocyclopropane-1-carboxylic acid

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

3-cyclobutyl-3-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methylpentanamido]propanoic acid

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

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

3-cyclobutyl-3-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylpentanamido]propanoic acid