4-(3-Ethoxycarbonylpiperidine)carboxamidophenylboronic acid, pinacol esterEthyl 1-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoyl]piperidine-3-carboxylate4-[3-(乙氧羰基)哌啶-1-羰基]苯硼酸频哪酯4-(3-Ethoxycarbonyl-1-piperidinylcarbonyl)benzeneboronic acid pinacol ester