2-Cyano-5-(difluoromethyl)-4-methoxy-3-(trifluoromethoxy)pyridine
3-(Aminomethyl)-4-cyano-2-(trifluoromethoxy)pyridine-6-acetonitrile
6-Cyano-4-(difluoromethyl)-2-methoxy-3-(trifluoromethoxy)pyridine
3-(Aminomethyl)-2-cyano-6-(trifluoromethoxy)pyridine-4-acetonitrile