5-(3-Methylbutyl)-1,2,4-oxadiazole-3-carboxylic acid

rac-(2R,3S)-3-[5-cyano-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanamido]oxolane-2-carboxylic acid

rac-(2R,3S)-3-{2-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1H-pyrazol-1-yl]acetamido}oxolane-2-carboxylic acid

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

rac-(2R,3S)-3-[3-(benzyloxy)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanamido]oxolane-2-carboxylic acid

3-[(3-Fluoro-2-methoxyphenyl)methyl]azetidin-3-ol

1-{[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3,3,3-trifluoropropanamido]methyl}cyclopentane-1-carboxylic acid

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

1-benzyl-3-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3,3,3-trifluoropropanamido]pyrrolidine-3-carboxylic acid

rac-(1R,3S)-3-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylpentanamido]cyclopentane-1-carboxylic acid

1-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylpentanoyl]-3-hydroxypiperidine-3-carboxylic acid