Compounds having one or two substituents at the 3- position, represented by the general formula
wherein R, is an optionally acylated or protected amino group and X is hydrogen atom or methoxy group, or a pharmaceutically acceptable salt thereof; when used either alone or in combination with a β-lactam antibiotic, show excellent β-lactamase inhibitory activity and can be used as drugs for use in humans and domestic animals.
在 3-位上有一个或两个取代基的化合物,由通式表示,其中 R 是可选的酰化或保护
氨基,X 是
氢原子或甲
氧基,或其药学上可接受的盐;当单独使用或与β-内
酰胺类
抗生素结合使用时,可显示出优异的β-内
酰胺酶抑制活性,可用作人类和家畜的药物。