Synonyms: 1,3,5-Trimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazole, 1,3,5-Trimethylpyrazole-4-boronic acid Pinacol ester, 1,3,5-Trimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole, 2-(1,3,5-Trimethyl-4-pyrazolyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane