Heterocyclic compound as FGFR inhibitor, synthesis method and applications thereof
The present invention discloses a heterocyclic compound as an FGFR inhibitor, and a synthesis method thereof, and applications of the heterocyclic compound in preparation of drugs for treating cancers. According to the present invention, the heterocyclic compound as the FGFR inhibitor or the pharmaceutically acceptable salt thereof has high FGFR inhibitory action, and the pharmaceutical composition prepared from the heterocyclic compound has good anticancer effect and wide application range.