2-Chloro-5-(2-methylbut-3-yn-2-yl)pyridine

1-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylbutanoyl]-4,4-dimethylpyrrolidine-3-carboxylic acid

tert-butyl N-(2,4,4-trimethyl-1-oxopentan-3-yl)carbamate

4-[(3R)-N-ethyl-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanamido]oxolane-3-carboxylic acid

(4R)-3-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-5-fluorobenzoyl]-1,3-thiazolidine-4-carboxylic acid

3-{[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-5-fluorophenyl]formamido}-2-hydroxypropanoic acid

2-{[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-5-fluorophenyl]formamido}-2-methylbutanoic acid

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

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

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

3-{[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylbutanamido]methyl}oxane-3-carboxylic acid