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