Ethyl 2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate2-Ethoxycarbonylphenylboronic acid pinacol ester2-乙氧羰基苯硼酸频哪醇酯2-ETHOXYCARBONYLPHENYLBORONIC ACID PINACOL ESTER2-Carboethoxyphenylboronic acid pinacol ester2-(4,4,5,5-四甲基-1,3,2-二氧硼戊烷-2-基)苯甲酸乙酯2-碳乙氧基苯硼酸频哪醇酯Ethyl 2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)benzoic acid ethyl ester2-(Ethoxycarbonyl)phenylboronic acid pinacol ester2-(Ethoxycarbonyl)benzeneboronic acid pinacol ester