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