4-Nitrophenylboronic acid pinacol ester4-Nitrobenzeneboronic acid, pinacol ester2-(4-Nitrophenyl)-4,4,5,5,-tetramethyl-1,3,2-dioxaborolane4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)nitrobenzene4-Nitrophenylboronic acid pinacol ester4-(4,4,5,5-四甲基-1,3,2-二氧杂戊硼烷-2-基)硝基苯4-硝基苯硼酸频哪醇酯4-硝基苯硼酸频哪酯4-Nitrobenzeneboronic acid pinacol ester