methyl 4-(7-(2,4-dimethoxyphenyl)-7,12-dihydro-6H-chromeno[4,3-d][1,2,4]triazolo[1,5-a]pyrimidin-6-yl)benzoate

5-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)furan-2-amido]pyridine-2-carboxylic acid

3-{[(2,5-dimethyloxolan-3-yl)methyl]carbamoyl}-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoic acid

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

rac-(1R,2S)-2-({[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1H-1,2,4-triazol-3-yl]formamido}methyl)cyclopentane-1-carboxylic acid

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

2-{2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]-4-methylpentanamido}butanoic acid

5-{[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanamido]methyl}furan-2-carboxylic acid

4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-[(6-methylpyridin-2-yl)carbamoyl]butanoic acid

3-{[(2-bromophenyl)methyl]carbamoyl}-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoic acid

3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-{[2-(2-methylpropanamido)ethyl]carbamoyl}propanoic acid