for the following products
5-(4-((3-Chloro-4-((3-fluorobenzyl)oxy)phenyl)-amino)quinazolin-6-yl)furan-2-carbaldehyde | 5-[4-[[3-Chloro-4-[(3-fluorophenyl)methoxy]phenyl]amino]-6-quinazolinyl]-2-furancarboxaldehyde | Lapatinib impurity 9 and 5-[4-({3-Chloro-4-[(3-fluorobenzyl)oxy] phenyl}amino)quinazolin-6-yl]-2-furaldehyde
