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Catsyn? 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-YL)benzenesulfonamide | CAS 214360-51-7?? ?? ??? ?????. ? ??? C12H18BNO4S??, ???? 283.15g/mol??, ??? ????? NLT 98%???.