489448-47-7 3h-2-benzopyran-6,6,7,7(5h,8h)-tetracarboxylic acid,1,4-dimethyl-3-oxo-, tetraethyl este

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Product Name	3H-2-Benzopyran-6,6,7,7(5H,8H)-tetracarboxylic acid,1,4-dimethyl-3-oxo-, tetraethyl ester
CAS No.	489448-47-7
Molecular Formula	C₂₃H₃₀O₁₀

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