3-[3-(2,2-difluoroethoxy)-4-nitro-1H-pyrazol-1-yl]butanoic acid

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

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

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

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

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

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

methyl 3-amino-1-benzyl-1H-pyrazole-4-carboxylate

methyl 3-amino-1-(2-methylbenzyl)-1H-pyrazole-4-carboxylate

methyl 3-amino-1-(2-chloro-4-fluorobenzyl)-1H-pyrazole-4-carboxylate

methyl 3-amino-1-(2,3-dichlorobenzyl)-1H-pyrazole-4-carboxylate