4H-1-Benzopyran-4-one,2-(3,4-dimethoxyphenyl)-5,6-dihydroxy-3,7-dimethoxy-

4H-1-Benzopyran-4-one,2-(3,4-dimethoxyphenyl)-5,6-dihydroxy-3,7-dimethoxy- · CAS 63296-15-1