6-(Difluoromethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine-2-acetonitrile
2-(Difluoromethyl)-5-hydroxy-3-(trifluoromethoxy)pyridine-4-acetonitrile
2-(Aminomethyl)-4-iodo-5-(trifluoromethoxy)pyridine-3-carboxaldehyde
2-(Aminomethyl)-3-iodo-6-(trifluoromethoxy)pyridine-5-carboxaldehyde