104292-91-3 1h-2-benzopyran-1,3(4h)-dione,6-ethynyl-5,6,7,8-tetrahydro-6-hydroxy-

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Product Name	1H-2-Benzopyran-1,3(4H)-dione,6-ethynyl-5,6,7,8-tetrahydro-6-hydroxy-
CAS No.	104292-91-3
Molecular Formula	C₁₁H₁₀O₄

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