1 PMD [N-(2,4-diaminopteridin-6-yl)-methyl]-dibenz[B,f]azepine 1.000 2 Q22 (4as)-5-[(2,4-diaminopteridin-6-yl)methyl]-4a,5-dihydro-2h-dibenzo[B,f]azepin-8-ol 0.966 3 684 4-({5-[(2,4-diaminopteridin-6-yl)methyl]-5h-dibenzo[B,f]azepin-2-yl}oxy)butanoic acid 0.800