The present invention provides compounds of formula
wherein R1, Y1, X1, Z1, X2, Y2, A, n and R2 are as defined in the specification, processes for their preparation, pharmaceutical compositions containing them and their use in therapy.
本发明提供了以下化合物,其
化学式为:其中R1,Y1,X1,Z1,X2,Y2,A,n和R2在说明书中有定义,以及它们的制备方法,包含它们的药物组合物和在治疗中的应用。