2-(1-Methylpyrazol-4-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane1-Methyl-4-pyrazoleboronic acid pinacol ester1-甲基-4-(4,4,5,5-四甲基-1,3,2-二氧杂戊硼烷-2-基)-1H-吡唑1-Methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole1-Methylpyrazole-4-boronic acid pinacol ester1-Methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazole4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1-methylpyrazole1-甲基-4-吡唑硼酸频哪醇酯1-甲基吡唑-4-硼酸频哪醇酯