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

1-(3-tert-butoxy-1-methyl-3-oxopropyl)-1H-pyrazole-4-carboxylic acid

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

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

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

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

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

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

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

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

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

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

3-amino-1-(1-naphthylmethyl)-1H-pyrazole-4-carboxylic acid

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

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