4-Methyl-2-[4-(2-methylpyrimidin-4-yl)piperazin-1-yl]-1,3-benzothiazole

rac-4-{1-[(1R,2S)-2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclopropanecarbonyl]azetidin-3-yl}butanoic acid

4-(1-{2-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclobutyl]acetyl}azetidin-3-yl)butanoic acid

4-{1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1,3-thiazole-5-carbonyl]azetidin-3-yl}butanoic acid

4-{1-[1-benzyl-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pyrrolidine-3-carbonyl]azetidin-3-yl}butanoic acid

(2S)-3-{[6-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)bicyclo[3.2.0]heptan-3-yl]formamido}-2-hydroxypropanoic acid

3-{[6-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)bicyclo[3.2.0]heptan-3-yl]formamido}-2-hydroxypropanoic acid

(4R)-3-[(1RS,5RS,6SR)-6-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)bicyclo[3.2.0]heptane-3-carbonyl]-1,3-thiazolidine-4-carboxylic acid

1-[6-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)bicyclo[3.2.0]heptane-3-carbonyl]azetidine-2-carboxylic acid

6-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)acetamido]bicyclo[3.2.0]heptane-3-carboxylic acid

6-[(2R)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]bicyclo[3.2.0]heptane-3-carboxylic acid