| abstract |
The invention discloses a class of deuterated 3-(4,5-substituted aminopyrimidine) phenyl derivatives and applications thereof, which are compounds with the structure of formula (I) or pharmaceutically acceptable salts thereof, these compounds or their The salt can be used for the treatment or prevention of diseases or conditions through certain mutant forms of epidermal growth factor receptors, can effectively inhibit the growth of various tumor cells, and can inhibit EGFR and other proteases of the Her family, and can be used to prepare anti- tumor drugs. |