title: [Nucleophile substitltion on the Ar-ring of methoxynitrochromones].
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D002867:Chromones; D009574:Nitro Compounds
chemical_list: D002867:Chromones; D009574:Nitro Compounds
vernacular_title: Nucleophile Substitution an Ar-Ring Methoxynitrochromonen