N-[2-(6-fluoro-1-methyl-1H-1,3-benzodiazol-2-yl)ethyl]-2-(methylsulfanyl)pyridine-4-carboxamide

(2S)-2-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4,4,4-trifluoro-N-methylbutanamido]propanoic acid

2-cyclobutyl-2-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4,4,4-trifluorobutanamido]acetic acid

1-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4,4,4-trifluorobutanoyl]-1,2,3,6-tetrahydropyridine-4-carboxylic acid

4-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4,4,4-trifluorobutanamido]-3-hydroxybutanoic acid

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

(3S)-3-[3-ethoxy-4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanamido]butanoic acid

(3S)-3-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-(methoxymethyl)butanamido]butanoic acid

(3S)-3-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-(thiophen-2-yl)acetamido]butanoic acid

(3S)-3-{[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methyl-1,3-thiazol-5-yl]formamido}butanoic acid

(3S)-3-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-phenylacetamido]butanoic acid