4-(Aminomethyl)-3-(difluoromethyl)-5-(trifluoromethoxy)pyridine-2-carboxaldehyde
2-(Difluoromethyl)-3-methoxy-5-(trifluoromethoxy)pyridine-6-carboxaldehyde
4-(Aminomethyl)-6-(difluoromethyl)-2-(trifluoromethoxy)pyridine-3-carboxaldehyde
2-(Difluoromethyl)-3-methoxy-4-(trifluoromethoxy)pyridine-5-carboxaldehyde