申请人:Fisons Corporation
公开号:US05334720A1
公开(公告)日:1994-08-02
Compounds of the formula I, ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 independently represent hydrogen, alkyl, phenyl or substituted phenyl with the proviso that two of R.sub.1, R.sub.2, R.sub.3 or R.sub.4 are phenyl or substituted phenyl and two of R.sub.1, R.sub.2, R.sub.3 or R.sub.4 are hydrogen or alkyl; m represents an integer from 1-2; and n represents an integer from 1-3; or a pharmaceutically acceptable salt thereof. The compounds are useful as pharmaceuticals, in particular, in the treatment of epilepsy.
化合物的公式为I,其中R.sub.1,R.sub.2,R.sub.3和R.sub.4分别独立地表示氢,烷基,苯基或取代苯基,条件是R.sub.1,R.sub.2,R.sub.3或R.sub.4中有两个是苯基或取代苯基,而另外两个是氢或烷基;m表示1-2的整数;n表示1-3的整数;或其药学上可接受的盐。这些化合物在制药学中有用,特别是在癫痫的治疗中。