Provided are a PDE4 inhibitor and a use thereof in the preparation of a medicament for treating PDE4 related diseases. Specifically disclosed are the compound as shown in formula (I) and a pharmaceutically acceptable salt thereof.
本发明提供了一种 PDE4
抑制剂及其在制备治疗 PDE4 相关疾病的药物中的用途。具体公开了如式(I)所示的化合物及其药学上可接受的盐。