1-[1-(tert-butoxycarbonyl)propyl]-1H-pyrazole-3-carboxylic acid

1-(2-tert-butoxy-1,1-dimethyl-2-oxoethyl)-1H-pyrazole-4-carboxylic acid

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

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

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

4-[4-(methoxycarbonyl)-1H-pyrazol-1-yl]butanoic acid

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

3-amino-1-benzyl-1H-pyrazole-4-carboxylic acid

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

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

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