(5-Amino-4-pyrimidinyl)phenylmethanone

2-{[1-benzyl-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pyrrolidin-3-yl]formamido}-4-methylhexanoic acid

4-(2-{3-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclobutyl}acetamido)but-2-enoic acid

(3S)-3-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3,3-dimethylbutanamido]pentanoic acid

3-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methylbenzamido]cyclobutane-1-carboxylic acid

3-{2-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)phenyl]acetamido}cyclobutane-1-carboxylic acid

3-[(3-bromo-2-chlorophenyl)carbamoyl]-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoic acid

1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methoxy-4-methylpentanoyl]pyrrolidine-3-carboxylic acid

1-benzyl-3-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methylpentanamido]pyrrolidine-3-carboxylic acid

1-benzyl-3-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3,3-dimethylbutanamido]pyrrolidine-3-carboxylic acid

1-benzyl-3-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)hexanamido]pyrrolidine-3-carboxylic acid