1-[4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl]piperidine4-[(Piperidin-1-yl)methyl]benzeneboronic acid, pinacol ester1-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl]piperidine1-{[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]methyl}piperidine4-(1-哌啶甲基)苯硼酸频哪醇酯4-(1-Piperidinylmethyl)benzeneboronic acid pinacol ester