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(3-CHLORO-4-METHOXYCARBONYL)BENZENEBORONIC ACID 3-CHLOROPHENYLBORONIC ACID, PINACOL ESTER 3-Chlorophenylboronic acid 4-Carboxylphenylboronic acid pinacol ester Methyl 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate (4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)methanol ETHYL 4-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)BENZOATE 2-(3-CHLORO-4-METHYLPHENYL)-4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLANE