for the following products
2-Methoxycarbonylthiophene-3-boronic acid pinacol ester | 3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-2-thiophenecarboxylic acid methyl ester and Methyl 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-2-carboxylate
