Tert-butyl 2-amino-4-(4-bromophenyl)-1,3-thiazole-5-carboxylate

(2S)-2-{[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1-methylcyclopentyl]formamido}-3-methoxypropanoic acid

5-{[(2R,3S)-3-(benzyloxy)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanamido]methyl}-1,2-oxazole-3-carboxylic acid

7-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylbutanamido]heptanoic acid

rac-(3R,5R)-5-{[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methylpentanamido]methyl}oxolane-3-carboxylic acid

rac-(1R,2R,4S)-7-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methoxypropanoyl]-7-azabicyclo[2.2.1]heptane-2-carboxylic acid

rac-(1R,2R,4S)-7-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methoxypropanoyl]-7-azabicyclo[2.2.1]heptane-2-carboxylic acid

rac-(1R,6S)-2-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methylpentanoyl]-2-azabicyclo[4.1.0]heptane-1-carboxylic acid

2-{1-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclobutanecarbonyl}-2-azabicyclo[4.1.0]heptane-1-carboxylic acid

2-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)oxolane-3-carbonyl]-2-azabicyclo[4.1.0]heptane-1-carboxylic acid

2-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3,3-dimethylbutanoyl]-2-azabicyclo[4.1.0]heptane-1-carboxylic acid