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Catsyn? 3,3'-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-YL)-1,1'-biphenyl | CAS 850264-92-5?? ?? ??? ?????. ? ??? C24H32B2O4??, ???? 406.13g/mol??, ??? ????? NLT 98%???.