The present invention provides a compound of formula
wherein the variables are as defined herein. The present invention also provides processes for preparing the compounds of formula I, and intermediates thereof, pharmaceutical compositions comprising those compounds, and methods of using the compounds and compositions.
                            本发明提供了一种化合物,其
化学式为其中变量的定义如本文所述。本发明还提供了制备化合物I及其中间体的方法,包括这些化合物的制药组合物,以及使用这些化合物和组合物的方法。