申请人:——
公开号:US20030171584A1
公开(公告)日:2003-09-11
The present invention provides compounds of the Formula I and II:
1
wherein R
1
, R
3
, W, Z, X
1
, X
2
, Ar
1
, R
8
and R
9
are as defined herein, and methods and intermediates for their preparation and uses thereof.
本发明提供了化合物I和II的结构:其中R1、R3、W、Z、X1、X2、Ar1、R8和R9如本文所定义,并提供它们的制备方法和中间体以及它们的用途。