A New Chromogenic Diester-calix [4]crown Receptor for Ca<sup>2+</sup>

A New Chromogenic Diester-calix [4]crown Receptor for Ca²⁺

Chuan Feng CHEN, Qi Yu ZHENG, Zhi Tang HUANG

A New Chromogenic Diester-calix [4]crown Receptor for Ca²⁺

Chuan Feng CHEN, Qi Yu ZHENG, Zhi Tang HUANG

中国化学快报 . 1998, (11): 993 -996 .