1	CO4	2,4-diamino-5-methyl-6-[(3,4,5-trimethoxy-N-methylanilino)methyl]pyrido[2,3-D]pyrimidine	1.000
2	TMQ	Trimetrexate	0.897
3	TQD	(2r,6s)-6-{[methyl(3,4,5-trimethoxyphenyl)amino]methyl}-1,2,5,6,7,8-hexahydroquinazoline-2,4-diamine	0.897
4	VG9	6-{[(2,5-diethoxyphenyl)amino]methyl}-5-methylpyrido[2,3-D]pyrimidine-2,4-diamine	0.719