ethyl 5-[(thiophen-2-yl)methyl]-1H-pyrazole-4-carboxylate

ethyl 5-[(4-chlorophenoxy)methyl]-1H-pyrazole-4-carboxylate

ethyl 5-[(4-bromophenyl)methyl]-1H-pyrazole-4-carboxylate

5-(furan-2-yl)-1H-pyrazole-4-carboxylic acid

5-[(thiophen-2-yl)methyl]-1H-pyrazole-4-carboxylic acid

5-(4-tert-butylphenyl)-1H-pyrazole-4-carboxylic acid

5-(3,5-dichlorophenyl)-1H-pyrazole-4-carboxylic acid

5-(2,2-dimethylpropyl)-1H-pyrazole-4-carboxylic acid

5-[(2-fluorophenyl)methyl]-1H-pyrazole-4-carboxylic acid

5-[(4-chlorophenoxy)methyl]-1H-pyrazole-4-carboxylic acid

5-(2,4-dimethylphenyl)-1,2-oxazole-3-carboxylic acid