http://jcps.bjmu.edu.cn
9-羧基氧杂蒽类衍生物的合成及生物活性
季小慎, 刘延, 苗奕, 金涛
Synthesis and Bioacticity of Xanthene-9-carboxylic Acid Derivatives
Xiao-Shen Ji, Yan Liu, Yi Miao, Tao Jin
. 1998, (4): 221 -223 .