CJCU
Studies on the Structure and Properties of 9-Hydroxy-fluorene-9-carboxylic Acid
YU Yun-Peng, ZHU Duo-Lin, YAN Da-Yu, ZHAO Zhu-Liu, WANG Jin-Fan, YE Xue-Qi
Chem. J. Chinese Universities . 1992, (12): 1590 -1593 .