648407-75-4 4h-thieno[3,2-c][1]benzopyran-2-carboxylic acid, 8-methyl-4-oxo-,hydrazide

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Product Name	4H-Thieno[3,2-c][1]benzopyran-2-carboxylic acid, 8-methyl-4-oxo-,hydrazide
CAS No.	648407-75-4
Molecular Formula	C₁₃H₁₀N₂O₃S

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