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Catsyn? 4,4,5,5-Tetramethyl-2-[(1E)-2-(2-methyl[1,1'-biphenyl]-3-YL)ethenyl]-1,3,2-dioxaborolane | CAS 2171558-33-9?? ?? ??? ?????. ? ??? C21H25BO2??, ???? 320.23g/mol??, ??? ????? NLT 98%???.