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Catsyn? 2,7-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-YL)-9H-fluorene | CAS 467219-11-0?? ?? ??? ?????. ? ??? C25H32B2O4??, ???? 418.14g/mol??, ??? ????? NLT 98%???.