Synonyms: 1H-Pyrazole-4-boronicacid pinacol ester;4,4,5,5-Tetramethyl-2-(1H-pyrazol-2-yl)-1,3,2-dioxaborolane;4,4,5,5-Tetramethyl-2-(pyrazol-4-yl)-1,3,2-dioxaborolane;4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole;4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazole;Pyrazol-4-ylboronicacid pinacol ester;