The invention provides compounds which are PDE7inhibitors, having the following formula (I), (II) and (III)
1
in which X
1
, X
2
, X
3
, X
4
, X, Y, Z, A and Z
1
are as defined in the description, methods for preparing them and their use for the treatment of disorders for which therapy by a PDE7 inhibitor is relevant.
本发明提供PDE7
抑制剂化合物,具有以下公式(I),(II)和(III):其中X1,X2,X3,X4,X,Y,Z,A和Z1如描述中所定义,制备它们的方法以及它们用于治疗需要PDE7
抑制剂治疗的疾病的用途。