3,5-Dimethylisoxazole-4-boronic acid, pinacol ester 97%3,5-Dimethylisoxazole-4-boronic acid pinacol ester3,5-二甲基-4-(4,4,5,5-四甲基-1,3,2-二氧杂硼烷-2-基)异噁唑3,5-二甲基异噁唑硼酸频哪醇酯3,5-二甲基异噁唑-4-硼酸频哪醇酯3,5-Dimethylisoxazoleboronic acid pinacol ester3,5-Dimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)isoxazole3,5-Dimethylisoxazole-4-boronic acid, pinacol ester3,5-Dimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)isoxazole3,5-dimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)isoxazole