1 DQ1 Ethyl 4-(5-{[(2,4-diaminoquinazolin-6-yl)methyl]amino}-2-methoxyphenoxy)butanoate 1.000 2 TMQ Trimetrexate 0.706 3 TQD (2r,6s)-6-{[methyl(3,4,5-trimethoxyphenyl)amino]methyl}-1,2,5,6,7,8-hexahydroquinazoline-2,4-diamine 0.706