Piperidine-4-boronic acid, pinacol ester, N-BOC protected 97%tert-Butyl 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)piperidine-1-carboxylate1-(tert-Butoxycarbonyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)piperidinetert-Butyl 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-piperidine-1-carboxylate4-(4,4,5,5-四甲基-1,3,2-二氧杂环硼戊烷-2-基)-哌啶-1-羧酸叔丁酯N-Boc-piperidine-4-boronic acid pinacol ester1-N-叔丁氧羰基哌啶-4-硼酸频哪醇酯tert-butyl 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)piperidine-1-carboxylate