3-Cyano-6-(difluoromethyl)-2-hydroxy-4-(trifluoromethoxy)pyridine
3-(Aminomethyl)-5-cyano-6-methyl-2-(trifluoromethoxy)pyridine
5-Cyano-2-(difluoromethyl)-4-hydroxy-3-(trifluoromethoxy)pyridine
3-(Aminomethyl)-5-cyano-2-methyl-6-(trifluoromethoxy)pyridine