1-(2,4-difluorophenyl)-1H-pyrazole-5-sulfonyl chloride

4-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)phenyl]-1-methyl-1H-pyrazolo[3,4-b]pyridine-3-carboxylic acid

4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-5,5,5-trifluoropentanoic acid

2-cyclopentyl-2-(4-{[(9H-fluoren-9-yl)methoxy]carbonyl}piperazin-1-yl)acetic acid

Tert-butyl 6-(aminomethyl)imidazo[1,2-a]pyridine-2-carboxylate

Tert-butyl 2-amino-3,4,5-trimethoxybenzoate

2-{[(Tert-butoxy)carbonyl]amino}-5-(dimethylcarbamoyl)-4-[(morpholin-4-yl)methyl]thiophene-3-carboxylic acid

5-(dimethylcarbamoyl)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-[(morpholin-4-yl)methyl]thiophene-3-carboxylic acid

Tert-butyl 2-[(quinazolin-4-yl)amino]acetate

2-{[(Tert-butoxy)carbonyl]amino}-4-(3,4-dimethylphenyl)thiophene-3-carboxylic acid

2-{[(Benzyloxy)carbonyl]amino}-5-(diethylcarbamoyl)-4-methylthiophene-3-carboxylic acid