1 N5G N-({trans-4-[({(2r,4r,4as,6s,8as)-2-amino-4-hydroxy-5-[(phosphonooxy)methyl]decahydropteridin-6-yl}methyl)amino]cyclohexyl}carbonyl)-L-glutamic acid 1.000 2 C2F 5-methyl-5,6,7,8-tetrahydrofolic acid 0.868 3 THH N-[4-({[(6s)-2-amino-4-hydroxy-5-methyl-5,6,7,8-tetrahydropteridin-6-yl]methyl}amino)benzoyl]-L-glutamic acid 0.868 4 FFO N-[4-({[(6s)-2-amino-5-formyl-4-oxo-3,4,5,6,7,8-hexahydropteridin-6-yl]methyl}amino)benzoyl]-L-glutamic acid 0.846 5 FON N-{[4-({[(6r)-2-amino-5-formyl-4-oxo-1,4,5,6,7,8-hexahydropteridin-6-yl]methyl}amino)phenyl]carbonyl}-L-glutamic acid 0.846 6 THF 5-hydroxymethylene-6-hydrofolic acid 0.846 7 1YJ N-[4-({[(6r)-2-amino-4-oxo-3,4,5,6,7,8-hexahydropteridin-6-yl]methyl}amino)benzoyl]-L-glutamic acid 0.842 8 DHF Dihydrofolic acid 0.842 9 FOL Folic acid 0.842 10 THG (6s)-5,6,7,8-tetrahydrofolate 0.842 11 G7D N-(4-{[(2-amino-4-oxo-3,4-dihydropteridin-6-yl)methyl]amino}-2-hydroxybenzene-1-carbonyl)-L-glutamic acid 0.821 12 R6F Methopterin 0.821 13 TGQ (2~{S})-2-[[4-[[(6~{R})-2-azanyl-4-oxidanylidene-5,6,7,8-tetrahydro-1~{H}-pteridin-6-yl]methyl-methyl-amino]phenyl]carbonylamino]pentanedioic acid 0.821 14 10F N-({4-[{[(2r,4s,4ar,6s,8as)-2-amino-4-hydroxydecahydropteridin-6-yl]methyl}(formyl)amino]phenyl}carbonyl)-D-glutamic acid 0.800 15 1YA N-{4-[{[(6s)-2-amino-4-oxo-3,4,5,6,7,8-hexahydropteridin-6-yl]methyl}(formyl)amino]benzoyl}-L-glutamic acid 0.800 16 04J Aminopterin 0.795 17 DZF 5-deazafolic acid 0.795 18 6UV (2~{R})-2-[[4-[[2,4-bis(azanyl)pteridin-6-yl]methyl-methyl-amino]phenyl]carbonylamino]pentanedioic acid 0.775 19 MT1 N-(4-{[(2,4-diaminopteridin-1-ium-6-yl)methyl](methyl)amino}benzoyl)-L-glutamic acid 0.775 20 MTX Methotrexate 0.775 21 G3V N-(4-{[(2,4-diaminopteridin-6-yl)methyl](hydroxymethyl)amino}benzene-1-carbonyl)-L-glutamic acid 0.756 22 VLA N-(4-{[(2,4-diamino-7,8-dihydropyrido[3,2-D]pyrimidin-6-yl)methyl]amino}benzene-1-carbonyl)-L-glutamic acid 0.750 23 VMV N-[4-({[(6s)-2,4-diamino-5,6,7,8-tetrahydropyrido[3,2-D]pyrimidin-6-yl]methyl}amino)benzene-1-carbonyl]-L-glutamic acid 0.750