2-(Chloromethyl)-6-(difluoromethyl)-3-methylpyridine-5-carboxaldehyde
2-(Chloromethyl)-6-(difluoromethyl)-3-methylpyridine-4-carboxaldehyde
2-(Chloromethyl)-5-(difluoromethyl)-6-methylpyridine-3-carboxaldehyde
2-(Chloromethyl)-3-(difluoromethyl)-4-methylpyridine-6-carboxaldehyde