申请人:Cheng Yun-Xing
公开号:US20070259888A1
公开(公告)日:2007-11-08
Compounds of Formulae I, or pharmaceutically acceptable salts thereof:
wherein X, R
1
, R
2
and R
3
are as defined in the specification as well as salts and pharmaceutical compositions including the compounds are prepared. They are useful in therapy, in particular in the management of pain.
公式I的化合物,或其药用盐:其中X、R1、R2和R3如规范中定义的那样,以及包括这些化合物的盐和药物组合物已经准备好。它们在治疗中很有用,特别是在疼痛管理中。