Ethyl 5-(chloromethyl)-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-4-acetate
Ethyl 4-bromo-3-(difluoromethyl)pyridine-2-carboxylate
Ethyl 4-bromo-2-(difluoromethyl)pyridine-3-carboxylate
Ethyl 5-(chloromethyl)-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-3-acetate