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