Synthesis and structure characterization of novel calix[4](aza)crown derivatives
Zhi Qiang Shi, Ya Qing Feng, Wen Xiang Wang, He Wen Wang
Synthesis and structure characterization of novel calix[4](aza)crown derivatives
Zhi Qiang Shi, Ya Qing Feng, Wen Xiang Wang, He Wen Wang
中国化学快报 . 2007, (08): 912 -914 .  DOI: 10.1016/j.cclet.2007.06.004