1 FE1 Methyl 1-(4-{[(2,4-diaminopteridin-6-yl)methyl](methyl)amino}benzoyl)piperidine-4-carboxylate 1.000 2 KM5 Methyl 1-[4-[[2,4-bis(azanyl)pteridin-6-yl]methyl-ethyl-amino]phenyl]carbonylpiperidine-4-carboxylate 0.971 3 DVP Methyl 1-(4-{[(2,4-diaminopteridin-6-yl)methyl]amino}benzoyl)piperidine-4-carboxylate 0.970 4 KMK Methyl 1-[4-[[2,4-bis(azanyl)pteridin-6-yl]methyl-(3-oxidanylpropyl)amino]phenyl]carbonylpiperidine-4-carboxylate 0.917