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Chemical Name: Afatinib Impurity 13
Synonym: 2-Pyrrolidinone, 1-[4-[(3-chloro-4-fluorophenyl)amino]-7-[[(3R)-tetrahydro-3-furanyl]oxy]-6-quinazolinyl]-5-hydroxy-; 1-[4-[(3-Chloro-4-fluorophenyl)amino]-7-[[(3R)-tetrahydro-3-furanyl]oxy]-6-quinazolinyl]-5-hydroxy-2-pyrrolidinone| Enter Batch Number | |||