申请人:——
公开号:US20040248893A1
公开(公告)日:2004-12-09
The invention provides compounds of formula I, wherein X, Y, R
1
, R
2
, and R
3
are as defined in the description, and the preparation thereof. The compounds of formula I are useful as pharmaceuticals.
1
本发明提供了I式化合物,其中X,Y,R1,R2和R3的定义如描述中所述,并提供了其制备方法。I式化合物可用作药物。