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229961-91-5 4h-1-benzothiopyran-4-one, 6-ethynyl-2,3-dihydro-2,2-dimethyl-

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Product Name 4H-1-Benzothiopyran-4-one, 6-ethynyl-2,3-dihydro-2,2-dimethyl-
CAS No. 229961-91-5
Molecular Formula C13H12OS