(125)I-A55453 4-Amino-6,7-dimethoxy-2-(4'-(5''-(3'''-(125)I-iodo-4'''-aminophenyl)pentanoyl)-1'-piperazinyl)quinazoline 89687-06-9 A 55453 A-55453 A55453 Piperazine, 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-(5-(4-aminophenyl)-1-oxopentyl)-