申请人:Fairhurst Robin Alec
公开号:US20090099214A1
公开(公告)日:2009-04-16
A compound of formula (I) or stereoisomers or pharmaceutically acceptable salts thereof, and their preparation and use as pharmaceuticals
wherein U, R
1
, R
2
and R
3
are as defined herein.
一种化合物的分子式为(I),或其立体异构体或药学上可接受的盐,以及它们的制备和用作制药的方法,其中U、R1、R2和R3的定义如本文所述。