申请人:Pfizer Inc.
公开号:US20140323474A1
公开(公告)日:2014-10-30
The present invention provides compounds of Formula I, and the tautomers thereof, and the pharmaceutically acceptable salts of the compounds and tautomers, wherein the compounds have the structure
wherein the variables R
1
, R
2
, R
3
, R
4
and x are as defined in the specification. Corresponding pharmaceutical compositions, methods of treatment, methods of synthesis, and intermediates are also disclosed.
本发明提供了I式化合物及其互变异构体和药学上可接受的化合物和互变异构体的盐,其中化合物具有以下结构式,其中变量R1、R2、R3、R4和x如规范所定义。还公开了相应的药物组合物、治疗方法、合成方法和中间体。