1	VG9	6-{[(2,5-diethoxyphenyl)amino]methyl}-5-methylpyrido[2,3-D]pyrimidine-2,4-diamine	1.000
2	CO4	2,4-diamino-5-methyl-6-[(3,4,5-trimethoxy-N-methylanilino)methyl]pyrido[2,3-D]pyrimidine	0.719