3-(Cyclohex-3-en-1-yl)-2,2-dimethylpropanal

2-[1-({[(Tert-butoxy)carbonyl](propan-2-yl)amino}methyl)cyclopropyl]-2-hydroxyacetic acid

rac-(2R,3S)-3-[4-(dimethylamino)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanamido]oxolane-2-carboxylic acid

(2R)-2-{[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1-methyl-1H-pyrazol-5-yl]formamido}-3,3-dimethylbutanoic acid

3-(2-{[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1-methyl-1H-pyrazol-5-yl]formamido}ethoxy)propanoic acid

(2S)-2-{[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1-methyl-1H-pyrazol-4-yl]formamido}-4-hydroxybutanoic acid

2-({1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1,3-thiazole-5-carbonyl]-3-methylazetidin-3-yl}oxy)acetic acid

2(1H)-Cycloheptimidazolone, 1-(p-methylbenzyl)-

4-{1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1,3-thiazol-5-yl]-N-(propan-2-yl)formamido}butanoic acid

4-{[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1,3-thiazol-5-yl]formamido}-3-hydroxybutanoic acid

2-{2-[1-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopropaneamido]cyclopentyl}acetic acid