申请人:MERCK SHARP & DOHME LTD.
公开号:EP0322034A2
公开(公告)日:1989-06-28
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.
本发明提供了式 I 的化合物或其盐或原药:
其中 R¹ 代表氢或甲基;以及
R²代表氢、甲基、乙基、乙烯基、氨基、甲氨基、二甲氨基、氯、溴、氰基或甲氧基;这些化合物可用于治疗和/或预防神经和精神疾病和/或剧烈疼痛。