申请人:Fujisawa Pharmaceutical Co., Ltd.
公开号:US05863918A1
公开(公告)日:1999-01-26
A compound or the formula: ##STR1## wherein R.sup.1 is carboxy or protected carboxy, R.sup.2 is hydrogen, hydroxy or protected hydroxy, R.sup.3 is hydrogen, hydroxy, protected hydroxy, etc., R.sup.4 is hydrogen or halogen, A.sup.1 is lower alkylene, A.sup.2 is bond or lower alkylene, --R.sup.5 is ##STR2## (in which R.sup.6 is mono(or di or tri)aryl(lower)alkyl and Z is N or CH), etc., and ##STR3## etc., and a pharmaceutically acceptable salt thereof which are useful as medicaments.
一种化合物或式子:##STR1## 其中R.sup.1是羧基或保护羧基,R.sup.2是氢,羟基或保护羟基,R.sup.3是氢,羟基,保护羟基等,R.sup.4是氢或卤素,A.sup.1是低级烷基,A.sup.2是键或低级烷基,--R.sup.5是##STR2## (其中R.sup.6是单(或二或三)芳基(低)烷基,Z是N或CH),等等,以及其药学上可接受的盐,可用作药物。