2-[3-(tert-butoxycarbonyl)-1H-pyrazol-1-yl]propanoic acid

3-[4-(ethoxycarbonyl)-3-nitro-1H-pyrazol-1-yl]propanoic acid

2-[4-(ethoxycarbonyl)-1H-pyrazol-1-yl]propanoic acid

3-[4-(methoxycarbonyl)-1H-pyrazol-1-yl]-2-methylpropanoic acid

methyl 3-amino-1-(4-chlorobenzyl)-1H-pyrazole-4-carboxylate

methyl 3-amino-1-(3-bromobenzyl)-1H-pyrazole-4-carboxylate

3-amino-1-(2-methylbenzyl)-1H-pyrazole-4-carboxylic acid

3-amino-1-(2,4-dichlorobenzyl)-1H-pyrazole-4-carboxylic acid

3-amino-1-(2,3-dichlorobenzyl)-1H-pyrazole-4-carboxylic acid

1-(3-chlorobenzyl)-3-nitro-1H-pyrazole-4-carboxylic acid

1-(2-chloro-4-fluorobenzyl)-3-nitro-1H-pyrazole-4-carboxylic acid