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3,4-Dihydro-7-methoxy-4-oxoquinazolin-6-yl acetate 2-Amino-4-methoxy-5-(3-morpholinopropoxy)benzonitrile Gefitinib InterMediate B O-Desmorpholinopropyl Gefitinib 3-Chloro-4-fluoroaniline 6-Hydroxy-7-methoxy-3,4-dihydroquinazolin-4-one 3-(3-morpholinylpropoxy)-4-methoxybenzonitrile 6-Acetoxy-4-chloro-7-methoxyquinazoline 2-aMino-4-Methoxy-5-(3-Morpholinopropoxy)benzaMide 4-Methoxy-5-(3-Morpholinopropoxy)-2-nitrobenzaMide