6-Chloro-2-methoxy-4-(trifluoromethoxy)pyridine-3-acetonitrile
3-Cyano-2-(difluoromethyl)-6-methoxy-4-(trifluoromethoxy)pyridine
2-Chloro-6-methoxy-3-(trifluoromethoxy)pyridine-4-acetonitrile
3-Cyano-2-(difluoromethyl)-4-methoxy-6-(trifluoromethoxy)pyridine