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917974-91-5 1h-2-benzopyran-3-acetic acid, 3,4-dihydro-7,8-dimethoxy-

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Product Name 1H-2-Benzopyran-3-acetic acid, 3,4-dihydro-7,8-dimethoxy-
CAS No. 917974-91-5
Molecular Formula C13H16O5