4-Hydroxy-3-methoxybenzeneboronic acid, pinacol ester2-Methoxy-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenol4-羟基-3-甲氧基苯硼酸频哪醇酯2-甲氧基-4-(4,4,5,5-四甲基-1,3,2-二氧杂戊硼烷-2-基)苯酚4-Hydroxy-3-methoxyphenylboronic acid, pinacol cyclic ester4-Hydroxy-3-methoxyphenylboronic acid pinacol ester4-羟基-3-甲氧基苯硼酸频哪醇环酯2-METHOXY-4-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)PHENOL