2-Cyano-4-(difluoromethyl)-5-methoxypyridine
4-(Chloromethyl)-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine-6-carboxaldehyde
2-Cyano-3-(difluoromethyl)-5-methoxypyridine
4-(Chloromethyl)-2-(difluoromethyl)-6-(trifluoromethoxy)pyridine-3-carboxaldehyde