4-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methylpentanamido]-2-hydroxybutanoic acid

(1R,5S)-3-{5-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]-1,3-oxazole-4-carbonyl}-3-azabicyclo[3.1.0]hexane-6-carboxylic acid

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

5-[2-cyclopropyl-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)acetamido]-4-methylpentanoic acid

1-(4-bromo-2H-1,2,3-triazol-2-yl)cyclopropane-1-carboxylic acid

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

2,4,5-Trimethyl-3,6-dinitrobenzenepropanoic acid

(2S)-2-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)hexanamido]-3-methoxypropanoic acid

2-[3-cyclopropyl-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoyl]-2-azabicyclo[4.1.0]heptane-1-carboxylic acid

methyl 4-(1-hydroxy-2-methoxy-2-oxoethyl)-1-methyl-1H-pyrazole-3-carboxylate

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