Astrazeneca Ab

Astazeneca Ab

Vasantha Krishna Kadambar

Maurice Raymond Finlay

Maurice Raymond Verschoyle Finlay

Heather Marie Redfearn

Richard Andrew Ward

Claudio Edmundo Chuaqui

Sam Butterworth

Andiappan Murugan

Chandrasekhara Reddy Chintakuntla

The present invention relates to certain 2-(2,4,5-substituted-anilino)pyrimidine compounds and pharmaceutically acceptable salts thereof which may be useful in the treatment or prevention of a disease or medical condition mediated through certain mutated forms of epidermal growth factor receptor (for example the L858R activating mutant, the Exon19 deletion activating mutant and the T790M resistance mutant). Such compounds and salts thereof may be useful in the treatment or prevention of a number of different cancers. The invention also relates to pharmaceutical compositions comprising said compounds and salts thereof, especially useful polymorphic forms of these compounds and salts, intermediates useful in the manufacture of said compounds and to methods of treatment of diseases mediated by various different forms of EGFR using said compounds and salts thereof.

2-(2,4,5-substituted-anilino)pyrimidine compounds

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Bengaluru, India

Vasantha Krishna Kadambar