3-Amino-5-(5-nitro-2-furanyl)-4-pentenoic acid

2-[(1-{2-[1-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclobutyl]acetyl}azetidin-3-yl)oxy]acetic acid

2-({1-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)oxolane-3-carbonyl]azetidin-3-yl}oxy)acetic acid

2-({1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylpentanoyl]azetidin-3-yl}oxy)acetic acid

2-({1-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)hexanoyl]azetidin-3-yl}oxy)acetic acid

1-[3-amino-3-(1-ethyl-1H-imidazol-4-yl)piperidin-1-yl]-2,2,2-trifluoroethan-1-one

(2S)-3-cyclopropyl-2-{2-[(1RS,3SR)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentyl]acetamido}propanoic acid

rac-1-{2-[(1R,3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentyl]acetyl}azetidine-3-carboxylic acid

4-(chloromethyl)-1-(1-cyclobutylethyl)-5-(difluoromethyl)-1H-1,2,3-triazole

(2S)-2-{2-[(1RS,3SR)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentyl]acetamido}-4-(methylsulfanyl)butanoic acid

(2R)-2-{2-[(1RS,3SR)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentyl]acetamido}-4-(methylsulfanyl)butanoic acid