| abstract |
A class of heterocyclic compounds, a pharmaceutical composition comprising same, a preparation method therefor and use thereof as a fibroblast growth factor receptor FGFR inhibitor. The inhibitor is a heterocyclic compound represented by formula I, or a pharmaceutically acceptable salt, a prodrug, a solvate, a polymorph, an isomer, a stable isotopic derivative thereof, or a pharmaceutical composition comprising same. The described compounds can be used for treating or preventing related diseases mediated by FGFR, such as cancers. |