4-({[(tert-butoxy)carbonyl]amino}methyl)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-5-methylhexanoic acid

rac-methyl (3R,4S)-4-[4-(propan-2-yl)phenyl]pyrrolidine-3-carboxylate

2-{[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-(methoxymethyl)propanamido]methyl}-1,3-thiazole-5-carboxylic acid

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

4-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)but-2-enamido]oxolane-3-carboxylic acid

3-{2-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pyridin-2-yl]acetamido}-2-hydroxy-2-methylpropanoic acid

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

(2S)-2-{[(1RS,2SR)-2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclopropyl]formamido}-4-hydroxybutanoic acid

rac-5-[(1R,6S)-9-benzyl-3,9-diazabicyclo[4.2.1]nonan-3-yl]-4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-5-oxopentanoic acid

4-{9-benzyl-6-oxa-2,9-diazaspiro[4.5]decan-2-yl}-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-oxobutanoic acid

3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-[4-hydroxy-4-(prop-2-en-1-yl)piperidin-1-yl]-4-oxobutanoic acid