N-(4-carbamothioylpyridin-2-yl)acetamide

rac-3-{[(1R,3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentyl]formamido}heptanoic acid

(3R)-3-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)acetamido]heptanoic acid

2-[(3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-N-methylheptanamido]-2-methylpropanoic acid

5-{[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2,2-dimethylbutanamido]methyl}furan-2-carboxylic acid

rac-2-{[(1R,3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclohexyl]formamido}pent-4-ynoic acid

rac-2-{1-[(1R,3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclohexyl]-N-methylformamido}acetic acid

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

(2R)-2-{[(1RS,3SR)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclohexyl]formamido}-4-hydroxybutanoic acid

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

rac-5-{[(1R,3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclohexyl]formamido}hexanoic acid