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