1	AQ4	[6,7-bis(2-methoxy-ethoxy)quinazoline-4-yl]-(3-ethynylphenyl)amine	1.000
2	A1A2V	4-methyl erlotinib	0.967
3	A1CI6	Icotinib	0.933
4	0TO	N-(3-chlorophenyl)-6,7-dimethoxyquinazolin-4-amine	0.700
5	DTQ	4-[3-hydroxyanilino]-6,7-dimethoxyquinazoline	0.700