申请人:MERCK SHARP & DOHME LTD.
公开号:EP0322034A3
公开(公告)日:1991-01-02
The present invention provides a compound of formula I, or a salt or prodrug thereof:
wherein R¹ represents hydrogen or methyl; and
R² represents hydrogen, methyl, ethyl, ethenyl, amino, methylamino, dimethylamino, chloro, bromo, cyano or methoxy; which compounds are useful in the treatment and/or prevention of neurological and mental conditions and/or of severe painful conditions.
本发明提供式I的化合物,或其盐或前药:
其中,R¹代表氢或甲基;R²代表氢、甲基、乙基、乙烯基、氨基、甲氨基、二甲氨基、氯、溴、氰或甲氧基。这些化合物在神经和精神疾病和/或严重疼痛症状的治疗和/或预防中有用。