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