Ethyl 4-amino-2-(chloromethyl)-3-(trifluoromethoxy)pyridine-6-carboxylate
3-Bromo-6-chloro-2-(difluoromethyl)-5-(trifluoromethoxy)pyridine
4-Bromo-2-chloro-6-(difluoromethyl)-3-(trifluoromethoxy)pyridine
3-Bromo-5-chloro-6-(difluoromethyl)-2-(trifluoromethoxy)pyridine