The present invention provides a compound of formula I:
1
wherein R
1
, R
2
, R
3
, R
4
, and R
5
are as defined herein. The present invention also provides pharmaceutical compositions and methods using such compositions for treating a caspase-mediated diseases and processes for preparing the compounds of the invention.
本发明提供了一种化合物,其
化学式为:
1
其中R
1
,R
2
,R
3
,R
4
和R
5
如本文所定义。本发明还提供了药物组合物和使用这种组合物治疗半胱天冬酶介导的疾病的方法,以及制备本发明化合物的方法。