申请人:Hoechst-Roussel Pharmaceuticals Inc.
公开号:US05039811A1
公开(公告)日:1991-08-13
There are disclosed compounds of the formula, ##STR1## wherein m, n, p, R, R.sub.1, R.sub.2 and R.sub.3 are as defined in the specification; which compounds are useful for enhancing memory and also as analgesic and antidepressant agents.
公式如下:##STR1## 其中m、n、p、R、R.sub.1、R.sub.2和R.sub.3如规范中定义;这些化合物有助于增强记忆,并可用作镇痛和抗抑郁剂。