2-Methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)furan2-Methylfuran-3-boronic acid, pinacol ester2-(2-Methylfur-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane4,4,5,5-tetramethyl-2-(2-methyl-3-furyl)-1,3,2-dioxaborolane4,4,5,5-Tetramethyl-2-(2-methyl-3-furanyl)-1,3,2-dioxaborolane