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