2-Methoxy-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl acetate4-乙酰氧基-3-甲氧基苯硼酸频哪醇酯醋酸-2-甲氧基-4-(4,4,5,5-四甲基-1,3,2-二氧杂硼烷-2-基)苯酯4-Acetoxy-3-methoxyphenylboronic acid pinacol ester2-Methoxy-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl acetate