英文别名Gefitinib Impurity 2; Gefitinib-6; 4-Quinazolinamine, N-(3-chloro-4-fluorophenyl)-6,7-dimethoxy-; Gefitinib Impurity D; Gefitinib Impurity II; N-(3-Chloro-4-fluorophenyl)-6,7-dimethoxy-4-quinazolinamine; O-Desmorpholinopropyl-O-methyl-gefitinib; Gefitinib Impurity 6 
