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