Ethyl 3-(chloromethyl)-2-(difluoromethyl)-4-hydroxypyridine-6-carboxylate
Ethyl 4-chloro-2-(fluoromethyl)-5-(trifluoromethoxy)pyridine-3-carboxylate
Methyl 2-bromo-3-fluoro-6-(trifluoromethoxy)pyridine-5-acetate
Ethyl 3-cyano-2-(difluoromethyl)-6-fluoropyridine-4-acetate