Synthesis, crystal structure of a novel tetranuclear Cu (Ⅱ) complex and its application in GSH-triggered generation of reactive oxygen species for chemodynamic therapy oleh Shuhua Cao, Fahui Li, Qian Xu, Meng Yao, Shun Wang, Yunjun Zhou, Xiaotong Cui, Ruolin Man, Kaoxue Li, Xishi Tai