1-Methyl-1H-pyrrole-2-boronic acid, pinacol ester 97%1-Methyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrrole1-Methylpyrrole-2-boronic acid pinacol ester1-Methyl-2-pyrroleboronic acid pinacol esterN-METHYLPYRROLE-2-BORONIC ACID, PINACOL ESTER1-Methyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrrole1-甲基-2-吡咯硼酸频哪醇酯1-甲基吡咯-2-硼酸频哪醇酯1-甲基吡咯-2-硼酸频哪醇酯1-Methylpyrrole-2-boronic acid pinacol ester