4-二甲胺苯酰甲酸乙酯的合成及反应副产物的分离鉴定
李裕林,郭振楚,李绍白
Synthesis of ethyl 4-dimethylamino-phenylglyoxalate and studies on the reaction by-products
LI YULIN;GUO ZHENCHU;LI SHAOBAI
化学学报 . 1984, (5): 492 -494 .