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