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Cyclopropylboronic acid Propyl gallate Propyl butyrate Tris(trimethylsilyl)phosphate Pinacol 4-Pyrazoleboronic acid pinacol ester 1-Methyl-4-pyrazole boronic acid pinacol ester tert-Butyl 4-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]piperidine-1-carboxylate 1-Methyl-1H-pyrazole-4-boronic acid 1-Ethyl-1H-pyrazole-4-boronic acid, pinacol ester