A phloroglucide derivative having the following formula: ##STR1## wherein Q is halogen; X is CH.sub.2 or C.dbd.O; Y is cephalosporin having a formula of ##STR2## wherein Ph is phenyl, Ac is acetoxy, or pharmaceutically acceptable salts thereof, and an antibacterial pharmaceutical composition derived thereof.
一种具有以下式子的
邻苯三酚衍
生物:##STR1## 其中Q是卤素;X是CH.sub.2或C.dbd.O;Y是
头孢菌素,其具有以下式子:##STR2## 其中Ph是苯基,Ac是乙酰氧基,或其药学上可接受的盐,以及由此派生的抗菌药物组合物。