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56857-57-9 4h-1-benzopyran-4-one,2-(3,4-dihydroxyphenyl)-5-hydroxy-7-(sulfooxy)-

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Product Name 4H-1-Benzopyran-4-one,2-(3,4-dihydroxyphenyl)-5-hydroxy-7-(sulfooxy)-
CAS No. 56857-57-9
Molecular Formula C15H10O9S