2-(Bromomethyl)-6-fluoro-3-nitro-4-(trifluoromethoxy)pyridine
6-(Bromomethyl)-3-fluoro-4-nitro-2-(trifluoromethoxy)pyridine
Ethyl 3-(chloromethyl)-4-fluoro-2-(trifluoromethoxy)pyridine-5-acetate
4-(Chloromethyl)-6-fluoro-2-nitro-3-(trifluoromethoxy)pyridine