4-(Difluoromethyl)-6-hydroxy-3-(trifluoromethoxy)pyridine-2-acetonitrile
4-Hydroxy-5-nitro-3-(trifluoromethoxy)pyridine-2-carbonyl chloride
4-(Difluoromethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine-5-acetonitrile
4-Hydroxy-2-nitro-3-(trifluoromethoxy)pyridine-5-carbonyl chloride