The present disclosure provides certain fused tricyclic ring derivatives that are Src Homology-2 phosphatase (SHP2) inhibitors and are therefore useful for the treatment of diseases treatable by inhibition of SHP2. Also provided are pharmaceutical compositions containing such compounds and processes for preparing such compounds.本揭露提供了某些稠合的三環衍生物,其為Src同源-2磷酸酶(SHP2)抑制劑並且因此可用於治療藉由抑制SHP2可治療之疾病。還提供了含有此類化合物之藥物組成物以及用於製備此類化合物之方法。