Ethyl 3-(chloromethyl)-2-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-4-acetate
Ethyl 3-(chloromethyl)-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-6-acetate
Ethyl 2-(chloromethyl)-6-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-3-acetate
Ethyl 2-(difluoromethyl)-4-nitropyridine-5-carboxylate