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