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21554-71-2 4h-1-benzopyran-4-one,2,3-dihydro-5,7-dihydroxy-3-(4-hydroxyphenyl)-

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Product Name 4H-1-Benzopyran-4-one,2,3-dihydro-5,7-dihydroxy-3-(4-hydroxyphenyl)-
CAS No. 21554-71-2
Molecular Formula C15H12O5