for the following products
2-(4-Methyl-2-thienyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 4-methyl-2-thienylboronic acid pinacol ester, 4-methyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene and 4-Methylthiophene-2-boronic acid pinacol ester
