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