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