Studies on Semisynthesis and Antibacterial Activity of7β-Heterocyclocamido-3-heterothiomethyl Cephalosporins
HUI Xin-Ping, HAO Lan, ZHANG Zi-Yi, WANG Qin, WANG Fang, GUAN Zuo-Wu
Chem. J. Chinese Universities . 2000, (12): 1844 -1847 .