| abstract |
The present invention relates to a pyridoheterocyclic compound, and a preparation method therefor and the use thereof. Specifically, the present invention relates to a compound or a pharmaceutically acceptable salt, ester, solvate (e.g. a hydrate), stereoisomer, tautomer, polymorph, metabolite or prodrug thereof, a pharmaceutical composition and kit containing same, a preparation method therefor, and the use thereof in the preparation of a drug for preventing or treating cancers. |