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139449-28-8 4h-1-benzopyran-4-one,2,3-dihydro-6-methyl-3-(phenylsulfonyl)-3-(2-propynyl)-

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Product Name 4H-1-Benzopyran-4-one,2,3-dihydro-6-methyl-3-(phenylsulfonyl)-3-(2-propynyl)-
CAS No. 139449-28-8
Molecular Formula C19H16O4S