The present invention discloses compounds of the formula ##STR1## any mixture thereof, or a pharmaceutically acceptable salt thereof; wherein R, R.sup.3, and R.sup.4 each have the meanings set forth in the specification. The compounds possess valuable pharmaceutical properties as dopamine reuptake inhibitors.
本发明公开了以下式子的化合物:##STR1## 任何混合物,或其药学上可接受的盐;其中R,R.sup.3和R.sup.4各自具有规范中所述的含义。这些化合物具有有价值的药物特性,作为
多巴胺再摄取
抑制剂。