SYNTHESIS OF 1,2-BIS(1,12-DIAZA-3,4:9,10-DIBENZO-5,8-DIOXACYCLOPENTADECANEN-ACETIC ACID)ETHANE AND ITS LANTHANIDE COMPLEXES
Xie Fuxin, Tian Yupeng, Xu Zhiqiang, Ni Shisheng
Chinese Journal of Applied Chemistry . 1993, (4): 22 -25 .