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225782-19-4 2h-thieno[2,3-h]-1-benzopyran-3-carboxylic acid, 2-oxo-

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Product Name 2H-Thieno[2,3-h]-1-benzopyran-3-carboxylic acid, 2-oxo-
CAS No. 225782-19-4
Molecular Formula C12H6O4S