ethyl 5-[3,5-bis(trifluoromethyl)phenyl]-1H-pyrazole-4-carboxylate

ethyl 5-(pyridin-3-yl)-1H-pyrazole-4-carboxylate

ethyl 5-(4-nitrophenyl)-1H-pyrazole-4-carboxylate

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

ethyl 5-(2-cyclopentylethyl)-1H-pyrazole-4-carboxylate

5-benzyl-1H-pyrazole-4-carboxylic acid

5-(2-bromophenyl)-1H-pyrazole-4-carboxylic acid

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

5-[(2,6-dichlorophenyl)methyl]-1H-pyrazole-4-carboxylic acid

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

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

5-(3-fluorophenyl)-1,2-oxazole-3-carboxylic acid

5-(5-methylfuran-2-yl)-1H-pyrazole

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

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