2-(3,4-dihydroxyphenyl)-5-hydroxy-6,7-dimethoxychromen-4-one 2-(3,4-dihydroxyphenyl)-5-hydroxy-6,7-dimethoxy-chromen-4-one 2-(3,4-dihydroxyphenyl)-5-hydroxy-6,7-dimethoxy-4-chromenone 2-(3,4-dihydroxyphenyl)-5-hydroxy-6,7-dimethoxy-chromone 34334-69-5 3',4',5-Trihydroxy-6,7-dimethoxyflavone 4H-1-Benzopyran-4-one, 2-(3,4-dihydroxyphenyl)-5-hydroxy-6,7-dimethoxy- ST5331608 C10033 Cirsiliol