Ethyl 3-cyano-6-nitro-2-(trifluoromethoxy)pyridine-5-carboxylate
4-(Bromomethyl)-6-fluoro-3-hydroxy-2-(trifluoromethoxy)pyridine
Ethyl 5-cyano-2-nitro-3-(trifluoromethoxy)pyridine-6-carboxylate
5-(Bromomethyl)-3-fluoro-4-hydroxy-2-(trifluoromethoxy)pyridine