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Catsyn? [1,1'-Biphenyl]-3,5-dicarboxylic acid, 4'-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-YL)-, 3,5-diethyl ester | CAS 2304634-29-3?? ?? ??? ?????. ? ??? C24H29BO6??, ???? 424.29g/mol??, ??? ????? NLT 98%???.