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