5-(Bromomethyl)-2-cyano-4-nitro-3-(trifluoromethoxy)pyridine
2-Cyano-5-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-6-carboxylic acid
4-(Bromomethyl)-5-cyano-2-nitro-3-(trifluoromethoxy)pyridine
4-(Bromomethyl)-3-cyano-5-nitro-2-(trifluoromethoxy)pyridine