AFN56: Afatinib Amino Pyrrolidinone Impurity

5-Amino-1-(4-(3-chloro-4-fluorophenylamino)-7-((S)-tetrahydrofuran-3-yloxy)quinazolin-6-yl)pyrrolidin-2-one ;

C22H21ClFN5O3 ;
Mol. Wt.: 457.89 ;