2,5-Dimethyl-1,2,3,4-tetrahydroisoquinoline

2-{N-ethyl-1-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1-methyl-1H-pyrazol-3-yl]formamido}acetic acid

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

3-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3,3-dimethylbutanamido]-1-methyl-1H-pyrazole-5-carboxylic acid

4-[3-(benzyloxy)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanamido]-1-methyl-1H-pyrazole-5-carboxylic acid

5-[(3R)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanamido]-1-methyl-1H-pyrazole-4-carboxylic acid

5-{2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]butanamido}-1-methyl-1H-pyrazole-4-carboxylic acid

5-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylbutanamido]-1-methyl-1H-pyrazole-4-carboxylic acid

5-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanamido]-1-methyl-1H-pyrazole-4-carboxylic acid

3-(dimethylamino)-2-({1-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclobutyl}formamido)propanoic acid

3-(dimethylamino)-2-{2-[1-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclobutyl]acetamido}propanoic acid