申请人:Zeneca Limited
公开号:US05965741A1
公开(公告)日:1999-10-12
The invention provides compounds of formula I: ##STR1## wherein A, B, D, X, R.sup.1, and R.sup.3 have any of the values defined in the specification, as well as N-oxides thereof, S-oxides thereof, pharmaceutically acceptable salts thereof, and in vivo hydrolizable esters and amides thereof, that are useful to relieve pain. The invention also provides pharmaceutical compositions as well as synthetic and therapeutic methods relating to such compounds.
该发明提供了以下式I的化合物:##STR1## 其中A、B、D、X、R.sup.1和R.sup.3具有规范中定义的任何值,以及它们的N-氧化物、S-氧化物、药用盐以及体内可水解的酯和酰胺,这些化合物对缓解疼痛有用。该发明还提供了与这些化合物相关的药物组合物,以及合成和治疗方法。