Synonyms: N-Boc-1H-Pyrazole-5-boronic acid, pinacol ester;tert-Butyl 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole-1-carboxylate;1H-Pyrazole-5-boronic acid, pinacol ester, N1-BOC protected;tert-Butyl 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole-1-carboxylate, 1-(tert-Butoxycarbonyl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole