120279-86-9 5,6-DIHYDRO-6-METHYL-4-OXO-4H-THIENO[2,3-B]THIOPYRAN-2-SULFONIC ACIS

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CAS No. 120279-86-9
Product Name 5,6-DIHYDRO-6-METHYL-4-OXO-4H-THIENO[2,3-B]THIOPYRAN-2-SULFONIC ACIS

Physical property