Ethyl 3-(bromomethyl)-4-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-2-acetate
Ethyl 3-(bromomethyl)-2-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-4-acetate
Ethyl 6-(bromomethyl)-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-4-acetate
Ethyl 2-(bromomethyl)-3-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-5-acetate