Methyl 2-bromo-5-(difluoromethyl)-3-(trifluoromethyl)pyridine-6-carboxylate
Ethyl 2-chloro-3-(difluoromethyl)-5-fluoropyridine-6-carboxylate
5-(Bromomethyl)-2-chloro-3-(difluoromethyl)-6-methylpyridine
Ethyl 4-bromo-5-(difluoromethyl)-3-(trifluoromethyl)pyridine-2-carboxylate