1 C2M 5-(3,4-dichlorophenyl)-6-methylpyrimidine-2,4-diamine 1.000 2 CP6 5-(4-chloro-phenyl)-6-ethyl-pyrimidine-2,4-diamine 0.889 3 CP7 6-ethyl-5-phenylpyrimidine-2,4-diamine 0.833 4 IYJ (6m)-6-(2,3-dichlorophenyl)-1,2,4-triazine-3,5-diamine 0.737 5 N0Z 2,4-bis(azanyl)-9~{H}-pyrimido[4,5-B]indol-6-ol 0.737