Christopher Walpole;Hua Yang;Ziping Liu;Daniel Pagé
发明人:
Ziping Liu,Daniel Pagé,Christopher Walpole,Hua Yang
申请号：
US10573054
公开号：
US08633235B2
申请日:
2004.09.24
申请国别(地区):
US
年份:
2014
代理人:
摘要：
Compounds of Formula (I) or pharmaceutically acceptable salts thereof； wherein R1, R2, R3, and R4 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.
