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Catsyn? (E)-Ethyl3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-YL)acrylate | CAS 1009307-13-4?? ?? ??? ?????. ? ??? C11H19BO4??, ???? 226.08g/mol??, ??? ????? NLT 98%???.