1-(2-Amino-1-methylcyclopentyl)prop-2-yn-1-one

4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-5-oxo-5-(4-oxo-1,5-diazocan-1-yl)pentanoic acid

3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-{[1-(oxan-4-yl)cyclopropyl]carbamoyl}propanoic acid

4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-{[1-(4-methyl-1,2,3-thiadiazol-5-yl)ethyl]carbamoyl}butanoic acid

rac-2-({[(1R,2S)-2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclopropyl]formamido}methyl)-5-methyl-1,3-thiazole-4-carboxylic acid

1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-5,5-dimethylhexanoyl]azetidine-3-carboxylic acid

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

2-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-5,5-dimethyl-N-(propan-2-yl)hexanamido]acetic acid

2-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-N,5,5-trimethylhexanamido]-2-methylpropanoic acid

4-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-5,5-dimethylhexanamido]pentanoic acid

4-[(2R)-N-ethyl-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methylpentanamido]butanoic acid