1-ethyl-6-(2-furyl)-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid

4-(2-thienyl)-1,2,5-oxadiazol-3-amine

1-sec-butyl-3-methyl-1H-pyrazole

5-cyclopropyl-1-methyl-1H-pyrazole

1,2-dimethyl-4,5-dinitro-1H-imidazole

methyl 1-(3-methoxy-3-oxopropyl)-1H-pyrazole-3-carboxylate

methyl 5-methyl-4-[(3-nitro-1H-pyrazol-1-yl)methyl]isoxazole-3-carboxylate

7-(difluoromethyl)-5-(4-methoxyphenyl)[1,2,4]triazolo[1,5-a]pyrimidine-2-carboxylic acid

3-cyclopropyl-1-methyl-1H-pyrazole

3-(3-methoxyphenyl)-4,5-dihydroisoxazole-5-carboxylic acid

ethyl 3-(3-nitrophenyl)-1,2,4-oxadiazole-5-carboxylate