4-Cyano-3-nitro-6-(trifluoromethoxy)pyridine-2-methanol
4-(Aminomethyl)-5-cyano-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine
3-Fluoro-5-hydroxy-6-nitro-2-(trifluoromethoxy)pyridine
4-(Aminomethyl)-3-cyano-5-(difluoromethyl)-2-(trifluoromethoxy)pyridine