3-(3,5-Dimethoxyphenyl)-5-methyl-1,2-oxazol-4-ol

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

4-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-(methylsulfanyl)butanamido]oxolane-3-carboxylic acid

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

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

3-(dimethylamino)-2-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-hydroxybutanamido]propanoic acid

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

2-{2-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)hexanamido]cyclopentyl}acetic acid

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

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

3-[benzyl(methyl)amino]-2-({3-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]-1,2-oxazol-4-yl}formamido)propanoic acid