Compounds of formula (I):
wherein Ra, Rb, R, X1 and X2 are as defined in the disclosure, pharmaceutical compositions comprising said compounds, processes for making and methods of using the same are provided.
提供
化学式(I)的化合物,其中Ra、Rb、R、X1和X2如披露中所定义,包括该化合物的制药组合物,制备该化合物的方法和使用方法。