Ethyl 4-(chloromethyl)-3-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-2-acetate
Ethyl 4-(chloromethyl)-2-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-3-acetate
Ethyl 5-bromo-2-(difluoromethyl)pyridine-3-carboxylate
2-Cyano-3-(difluoromethyl)pyridine-5-sulfonyl chloride