Disclosed are a series of compounds with a nitrogen-containing spiro structure and an application thereof in the preparation of an RET kinase inhibitor. Specifically, disclosed is a compound as shown in formula (II) or a pharmaceutically acceptable salt thereof.
公开了一系列具有含氮螺结构的化合物及其在制备 RET 激酶
抑制剂中的应用。具体而言,公开了如式(II)所示的化合物或其药学上可接受的盐。