Azabicyclo derivatives, their preparation use in the pharmaceutical and

The present invention relates to diazabicyclo derivatives, their preparation on use and pharmaceutical. In particular, the present invention discloses compounds of formula (I) compound or a pharmaceutically acceptable salt, stereoisomer, solvate or prodrug thereof, and a preparation method thereof, and an EGFR inhibitor in terms of application, wherein each see the definition of group specification.