申请人:Fujisawa Pharmaceutical Company, Ltd.
公开号:US04963530A1
公开(公告)日:1990-10-16
A compound of the formula: ##STR1## wherein R.sup.1 is aryl optionally substituted with a substituent selected from the group consisting of halogen and halo(lower)alkyl; lower alkyl or cyclo(lower)alkyl; and R.sup.2 is hydrogen or lower alkyl, or R.sup.1 and R.sup.2 are taken together with the attached nitrogen atom to form a heterocyclic group optionally substituted with a substituent selected from the group consisting of lower alkyl and esterified carboxy, R.sup.3 is hydrogen or lower alkyl, and R.sup.4 is lower alkyl, and its pharmaceutically acceptable salt, a process for the preparation thereof and pharmaceutical composition comprising the same.
该化合物的结构式为:##STR1##其中R.sup.1为芳基,可选择地取代为卤素和卤代(低)烷基;低烷基或环(低)烷基;R.sup.2为氢或低烷基,或R.sup.1和R.sup.2与连接的氮原子一起形成一个杂环基,可选择地取代为低烷基和酯化羧基;R.sup.3为氢或低烷基,R.sup.4为低烷基,以及其药学上可接受的盐,制备方法和包含该化合物的药物组合物。