4H-1-Benzopyran-4-one, 5,7-dihydroxy-2-(4-hydroxy-3-methoxyphenyl)-3-(sulfooxy)- 549-31-5 Chromone, 2-(4-hydroxy-3-methoxyphenyl)-3,5,7-trihydroxy-, 3-sulfate (ester) Isohamnetin 3-monosulfate Isohamnetin 3-sulfate Persicarin