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Catsyn? 1,3,2-Dioxaborolane, 4,4,5,5-tetramethyl-2-(2-triphenylenyl)- | CAS 890042-13-4?? ?? ??? ?????. ? ??? C24H23BO2??, ???? 354.25g/mol??, ??? ????? NLT 98%???.