Methyl pinacolyl borateMethoxyboronic acid, pinacol ester2-Methoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane2-甲氧基-4,4,5,5-四甲基-1,3,2-二杂氧戊硼烷2-Methoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane2-Methoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolaneMethoxyboronic acid pinacol ester甲氧基硼酸频哪醇酯2-甲氧基-4,4,5,5-四甲基-1,3,2-二氧硼戊环