|   
 | 
Chemical Name: Afatinib Impurity 23
Synonym: 2-Pyrrolidinone, 1-[4-[(3-chloro-4-fluorophenyl)amino]-7-[[(3S)-tetrahydro-3-furanyl]oxy]-6-quinazolinyl]-5-hydroxy; Des-(4-dimethylamino-2-en-1-oxo)butylamino 6-(5-Hydroxy-pyrrolidin-2-on-1-yl) Afatinib| Enter Batch Number | |||