Methyl 6-cyano-3-nitro-2-(trifluoromethoxy)pyridine-4-carboxylate
4-(Aminomethyl)-6-cyano-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine
3-Fluoro-4-hydroxy-2-nitro-6-(trifluoromethoxy)pyridine
4-(Difluoromethyl)-3-fluoro-2-(trifluoromethoxy)pyridine-5-carboxylic acid