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648407-73-2 4h-thieno[3,2-c][1]benzopyran-2-carboxylic acid, 6-methyl-4-oxo-,methyl ester

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Product Name 4H-Thieno[3,2-c][1]benzopyran-2-carboxylic acid, 6-methyl-4-oxo-,methyl ester
CAS No. 648407-73-2
Molecular Formula C14H10O4S