6-Chloro-3-(2,2,2-trifluoroacetamido)pyridazine-4-carboxylic acid

5-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1,2,5-oxadiazole-3-amido]cyclohex-3-ene-1-carboxylic acid

5-[3-cyclopropyl-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]cyclohex-3-ene-1-carboxylic acid

5-[3-cyclopropyl-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]cyclohex-3-ene-1-carboxylic acid

5-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentaneamido]cyclohex-3-ene-1-carboxylic acid

5-{1-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclobutaneamido}cyclohex-3-ene-1-carboxylic acid

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

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

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

rac-(2R,3R)-3-{[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methylpentanamido]methyl}oxolane-2-carboxylic acid

6-fluoro-5H,6H,7H,8H-[1,2,4]triazolo[1,5-a]pyridin-2-amine