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3749-38-0 2h-1-benzopyran-2-one,6,7-dimethoxy-3-[(2-oxo-2h-1-benzopyran-7-yl)oxy]-

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Product Name 2H-1-Benzopyran-2-one,6,7-dimethoxy-3-[(2-oxo-2H-1-benzopyran-7-yl)oxy]-
CAS No. 3749-38-0
Molecular Formula C20H14O7