申请人:G. D. Searle & Co.
公开号:US04954520A1
公开(公告)日:1990-09-04
The present invention relates to compounds of the formula ##STR1## or a pharmaceutically acceptable salt thereof, wherein R is alkyl of 5 to 14 carbon atoms, alkenyl of 5 to 14 carbon atoms or alkynyl of 5 to 14 carbon atoms; R.sup.1 is lower alkylene or phenylene; and R.sup.2 is hydrogen, lower alkyl or a pharmaceutically acceptable cation.
本发明涉及以下化合物的公式 ##STR1## 或其药学上可接受的盐,其中 R 是碳原子数为5到14的烷基,碳原子数为5到14的烯基或碳原子数为5到14的炔基;R.sup.1 是较低的烷基或苯基;R.sup.2 是氢、较低的烷基或药学上可接受的阳离子。