2-(4-Methyl-1-piperazinyl)thiazol-4-ylmethanol

2-{[(3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)hexanamido]methyl}-4-methylpentanoic acid

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

(3R)-3-[2-cyclobutyl-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]hexanoic acid

4-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methylpentanamido]-5-oxopyrrolidine-3-carboxylic acid

4-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)acetamido]-5-oxopyrrolidine-3-carboxylic acid

4-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanamido]-5-oxopyrrolidine-3-carboxylic acid

4-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2,2,3-trimethylbutanamido]-3,3-dimethylbutanoic acid

rac-(3R,4R)-1-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1-methyl-1H-pyrazole-5-carbonyl]-4-methylpyrrolidine-3-carboxylic acid

2-{1-[(2R)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylbutanoyl]-4-methylpyrrolidin-3-yl}acetic acid

4-{[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1-methyl-1H-pyrazol-3-yl]formamido}-2-methoxybutanoic acid