2-cyano-3-(4-hydroxy-3,5-dimethylphenyl)-N-(3-methoxypropyl)prop-2-enamide

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

2-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylbutanoyl]-2-azabicyclo[2.2.2]octane-6-carboxylic acid

1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-N-methylhexanamido]cyclopropane-1-carboxylic acid

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

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

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

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

1-benzyl-4-[2-ethyl-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanamido]piperidine-4-carboxylic acid

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

rac-2-[(1R,2S)-2-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-hydroxybutanamido]cyclopentyl]acetic acid