3-Phenylcyclobutane-1-carbonitrile

5-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-(propan-2-yl)butanamido]-2-methylpentanoic acid

2-ethyl-1-[(3R)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methylpentanoyl]pyrrolidine-3-carboxylic acid

2-{1-[(3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methylpentanamido]cyclopropyl}acetic acid

3-[(3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-N,4-dimethylpentanamido]cyclobutane-1-carboxylic acid

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

(3R)-3-{[1-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopropyl]formamido}-4-methylpentanoic acid

(1RS&,2SR&)-2-({[(1RS,2SR)-2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclohexyl]formamido}methyl)cyclopropane-1-carboxylic acid

rac-1-[(1R,2S)-2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclohexanecarbonyl]-3-hydroxyazetidine-3-carboxylic acid

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

2-({3-[benzyl(methyl)amino]-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido}methyl)-5-methyl-1,3-thiazole-4-carboxylic acid