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