The invention relates to compounds of formula (I),
1
in which R
1
, R
2
and R
3
are as defined in the description, their use as medicaments, the process for their preparation and their use for the treatment of pathologies in which therapy by a PDE4 inhibitor is relevant.
该发明涉及公式(I)的化合物,其中R1、R2和R3如描述中所定义,它们的用途作为药物,它们的制备方法以及它们用于治疗通过PDE4
抑制剂治疗相关的病理状态的用途。