3-(Chloromethyl)-5-(difluoromethyl)-2-(trifluoromethyl)pyridine-4-carboxaldehyde
2-(Chloromethyl)-6-(difluoromethyl)-5-(trifluoromethyl)pyridine-3-carboxaldehyde
6-(Chloromethyl)-2-(difluoromethyl)-4-(trifluoromethyl)pyridine-3-carboxaldehyde
6-(Chloromethyl)-4-(difluoromethyl)-2-(trifluoromethyl)pyridine-3-carboxaldehyde