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