| 摘要 |
The present patent application discloses compounds having formula (I) or a pharmaceutically acceptable salt thereof or an oxide thereof wherein R<3> is formula (II), wherein A, B and D each is CH, or one or two of A, B and D is N and the others are CH; R<11> is phenyl, benzimidazolyl, or monocyclic heteroaryl all of which may be substituted one or more times with substituents selected from alkyl, halogen, CF3, amino, nitro, cyano, acylamino, alkoxy, acyl, phenyl, and monocyclic heteroaryl, and one of R<6> and R<7> is hydrogen and the other is pyrrolyl which may be substituted one or more times with substituents selected from halogen, alkyl, phenyl, and alkoxy. The compounds are useful for the treatment of various central nervous system disorders such as epilepsy and other convulsive disorders, anxiety, sleep disorders and memory disorders.
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