2-(4-hydroxy-3,5-dimethoxyphenyl)chromenylium-3,5,7-triol 2-(4-hydroxy-3,5-dimethoxy-phenyl)chromenylium-3,5,7-triol 2-(4-hydroxy-3,5-dimethoxy-phenyl)-1-benzopyrylium-3,5,7-triol 17866-69-2 3',5'-Dimethoxy-3,4',5,7-tetrahydroxyflavylium acid anion BRN 1691742 Benzopyrylium, 3 5,7-trihydroxy-2-(4-hydroxy-3,5-dimethoxyphenyl)- Benzopyrylium, 3 5,7-trihydroxy-2-(4-hydroxy-3,5-dimethoxyphenyl)-, acid anion Flavylium, 3,4',5,7-tetrahydroxy-3',5'-dimethoxy-, acid anion C08716