Ethyl 4-(chloromethyl)-5-fluoro-2-(trifluoromethoxy)pyridine-3-acetate
Ethyl 4-(chloromethyl)-3-fluoro-5-(trifluoromethoxy)pyridine-2-acetate
5-Cyano-3-iodo-4-(trifluoromethoxy)pyridine-2-sulfonyl chloride
3-Cyano-5-iodo-2-(trifluoromethoxy)pyridine-4-sulfonyl chloride