申请人:——
公开号:US05177082A1
公开(公告)日:1993-01-05
The invention relates to compounds of the formulas ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 independently are hydrogen or lower alkyl, and the dotted ( . . . ) line is an optional double bond, and their pharmaceutically acceptable acid addition salts. The compounds of formulas I, II and III possess marked anticholinesterase activity and are useful as analeptic agents and as agents for the treatment of senile dementia and myasthenia gravis.
该发明涉及以下式子的化合物:##STR1## 其中R.sup.1、R.sup.2和R.sup.3独立地为氢或低碳基,虚线(...)是可选的双键,以及它们的药学上可接受的酸盐。式I、II和III的化合物具有显著的抗胆碱酯酶活性,并可用作兴奋剂和治疗老年性痴呆和重症肌无力的药物。