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89807-41-0 5h-furo[3,2-g][1]benzopyran-6-sulfinic acid, 4,9-dimethoxy-5-oxo-

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Product Name 5H-Furo[3,2-g][1]benzopyran-6-sulfinic acid, 4,9-dimethoxy-5-oxo-
CAS No. 89807-41-0
Molecular Formula C13H10O7S