Studies on Semisynthesis and Antibacterial Activity of 3-Heterocyclicthiomethyl Cephalosporins
HAO Lan, HUI Xin-Ping, ZHANG Zi-Yi, GUAN Zuo-Wu, HE Yu-Lin, YU Hong-Juan
Chem. J. Chinese Universities . 1999, (10): 1564 -1569 .