Ethyl 2-(chloromethyl)-6-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-3-acetate
Methyl 4-bromo-3-(difluoromethyl)pyridine-2-carboxylate
4-(Difluoromethyl)-5-nitropyridine-2-sulfonyl chloride
4-(Chloromethyl)-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine-5-methanol