2-Isopropoxy-3-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-pyridine2-Isopropoxy-3-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-pyridine2-Isopropoxypyridine-3-boronic acid pinacol ester2-Isopropoxy-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine2-异丙氧基吡啶-3-硼酸频哪酯