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Catsyn? 1,4-Dimethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-YL)pyridin-2(1H)-one | CAS 1772607-44-9?? ?? ??? ?????. ? ??? C13H20BNO3??, ???? 249.11g/mol??, ??? ????? NLT 98%???.