申请人:Fujisawa Pharmaceutical Co., Ltd.
公开号:US05061730A1
公开(公告)日:1991-10-29
This invention relates to new carboxylic acid derivatives of the formula: ##STR1## wherein R.sup.1 is hydrogen, lower alkyl or aryl, and pharmaceutically acceptable salt thereof which inhibit activity of DHP-I, to a process for preparing them and to an antibacterial composition comprising them and carbapenem antibiotics.
这项发明涉及到新的羧酸衍生物,其化学式为:##STR1##其中R.sup.1是氢、较低的烷基或芳基,以及其药用盐,这些衍生物抑制了DHP-I的活性,还涉及到制备它们的方法以及包含它们和碳青霉素类抗生素的抗菌组合物。