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Catsyn? 4'-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-YL)-[1,1'-biphenyl]-4-carbaldehyde | CAS 1040424-52-9?? ?? ??? ?????. ? ??? C19H21BO3??, ???? 308.18g/mol??, ??? ????? NLT 98%???.