2-Chloropyridine-5-boronic acid pinacol ester2-chloro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine2-Chloro-5-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-pyridine2-Chloro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine6-Chloropyridine-3-boronic acid, pinacol ester2-氯吡啶-5-硼酸频哪酯2-氯-5-(4,4,5,5-四甲基-1,3,2-二氧杂戊硼烷-2-基)吡啶2-Chloropyridine-5-boronic acid pinacol ester6-氯-3-吡啶硼酸频哪醇酯6-Chloro-3-pyridineboronic acid pinacol ester