Disclosed is a dihydropyrimido fused ring derivative as a HBV inhibitor, and in particular relates to a compound shown as formula (I) or a pharmaceutically acceptable salt thereof.
Compounds with 7-azaindole core structure with activity toward the receptor protein tyrosine kinase c-kit, compositions useful for treatment c-kit-mediate diseases or conditions, and methods of use thereof, are provided. Further provided are methods of c-kit ligand identification and design.