Methyl 2-methoxy-4-(1-Boc-4-piperidyloxy)phenylacetate

(2R)-1-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanoyl]piperidine-2-carboxylic acid

(2S)-3-cyclopropyl-2-[(2R)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanamido]propanoic acid

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

(2S,4S)-1-{2-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)acetamido]acetyl}-4-hydroxypyrrolidine-2-carboxylic acid

(2R,4R)-1-[1-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclohexanecarbonyl]-4-hydroxypyrrolidine-2-carboxylic acid

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

(4R)-3-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-(methylsulfanyl)butanoyl]-1,3-thiazolidine-4-carboxylic acid

rac-2-{1-[(1R,2S)-2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclopentyl]-N-methylformamido}butanoic acid

(2S,4S)-1-[(2R)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoyl]-4-hydroxypyrrolidine-2-carboxylic acid

(2R)-2-[(2S)-3-cyclopropyl-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]-4-hydroxybutanoic acid