N-(2,6-Dimethylphenyl)isonicotinamide hydrochloride

4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-[(1-hydroxybut-3-en-2-yl)carbamoyl]butanoic acid

(2S)-2-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)but-2-ynamido]-3-hydroxypropanoic acid

4-({1-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclohexyl}formamido)but-2-ynoic acid

3-{1-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)but-2-ynoyl]piperidin-3-yl}propanoic acid

1-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)but-2-ynoyl]azepane-2-carboxylic acid

4-{3-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)phenyl]propanamido}but-2-ynoic acid

1-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1-methyl-1H-pyrazole-3-carbonyl]piperidine-4-carboxylic acid

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

(2R)-1-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1-methyl-1H-pyrazole-3-carbonyl]pyrrolidine-2-carboxylic acid

3-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanamido]-1-methyl-1H-pyrazole-5-carboxylic acid