1-ethyl-5-hydrazino-1H-pyrazole

1-(Difluoromethyl)-4-ethynyl-3-methyl-1H-pyrazole

methyl 5-(2-thienyl)-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-2-carboxylate

1-isopropyl-4-methyl-1H-imidazole

1-isopropyl-5-methyl-1H-imidazole

tert-butyl 1-(2-methoxy-2-oxoethyl)-1H-pyrazole-3-carboxylate

(1-cyclopentyl-4-methyl-1H-imidazol-2-yl)methanol

1-sec-butyl-3-(methoxymethyl)-1H-pyrazole-4-sulfonyl chloride

3-(ethoxymethyl)-1-(2-fluoroethyl)-1H-pyrazole-4-sulfonyl chloride

3-(ethoxymethyl)-1-isobutyl-1H-pyrazole-4-sulfonyl chloride

1-ethyl-3-(isopropoxymethyl)-1H-pyrazole-4-sulfonyl chloride