Ethyl 2-(difluoromethyl)-5-fluoro-3-(trifluoromethyl)pyridine-4-carboxylate
3-Bromo-2-(chloromethyl)-6-(trifluoromethoxy)-5-(trifluoromethyl)pyridine
Ethyl 4-methyl-2-nitro-3-(trifluoromethoxy)pyridine-5-carboxylate
4-Bromo-5-(chloromethyl)-3-(difluoromethyl)-2-methylpyridine