4-Amino-6-(difluoromethyl)-5-iodopicolinonitrile

(2S)-1-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclohex-3-ene-1-carbonyl]piperidine-2-carboxylic acid

2-cyclopropyl-2-{[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclohex-3-en-1-yl]formamido}propanoic acid

1-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclohex-3-ene-1-carbonyl]piperidine-4-carboxylic acid

3-{N-cyclopropyl-1-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclohex-3-en-1-yl]formamido}propanoic acid

1-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclohex-3-ene-1-carbonyl]-2-methylpyrrolidine-3-carboxylic acid

1-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclohex-3-ene-1-carbonyl]-2-methylpyrrolidine-2-carboxylic acid

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

(1RS&,2SR&)-2-({[(1RS,2SR)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentyl]formamido}methyl)cyclopropane-1-carboxylic acid

rac-3-{[(1R,3R)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclohexyl]formamido}-2,2-dimethylpropanoic acid

2-{2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]butanamido}-3-(1,3-thiazol-5-yl)propanoic acid