2-Amino-4,4,4-trifluoro-3-(4-methoxyphenyl)butanoic acid

2-[(2R)-N-benzyl-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-(4-hydroxyphenyl)propanamido]acetic acid

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

2-{[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)spiro[3.3]heptan-2-yl]formamido}-2-methylpropanoic acid

(4R)-3-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)spiro[3.3]heptane-2-carbonyl]-1,3-thiazolidine-4-carboxylic acid

(2R)-2-{[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)spiro[3.3]heptan-2-yl]formamido}-3-hydroxypropanoic acid

3-(3-Formyl-5-methylphenyl)prop-2-ynoic acid

3-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methoxybutanamido]-1-methyl-1H-pyrazole-5-carboxylic acid

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

5-[3,3-bis(hydroxymethyl)pyrrolidin-1-yl]-4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-5-oxopentanoic acid

2-{1-[6-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)hexanoyl]piperidin-2-yl}acetic acid