Compounds of the general formula (II):
and pharmaceutically acceptable salts and in-vivo hydrolysable esters thereof,
in which
R denotes a hydrogen atom or an in vivo hydrolysable acyl group;
and the wavy line denotes either the E- or Z-isomeric position,
are novel compounds which exhibit β-lactamase inhibitory action and have antibacterial properties.
通式(II)化合物:
及其药学上可接受的盐类和体内可
水解的
酯类、
其中
R 表示氢原子或体内可
水解酰基;
波浪线表示 E-或 Z-异构体位置、
是具有β-内酰胺酶抑制作用和抗菌特性的新型化合物。