4-(Bromomethyl)-6-fluoro-2-methoxy-3-(trifluoromethoxy)pyridine
2-Fluoro-5-(fluoromethyl)-3-methoxy-4-(trifluoromethoxy)pyridine
4-(Bromomethyl)-2-fluoro-5-methoxy-3-(trifluoromethoxy)pyridine
5-(Bromomethyl)-3-fluoro-2-methoxy-4-(trifluoromethoxy)pyridine