1 PMM Pterin-6-yl-methyl-monophosphate 1.000 2 2PH [7,8-dihydro-pterin-6-yl methanyl]-phosphonophosphate 0.739 3 HH2 6-hydroxymethylpterin-diphosphate 0.739 4 44V (6s)-2-amino-6-methyl-5,6,7,8-tetrahydropteridin-4(3h)-one 0.722 5 44W 2-amino-6-methyl-7,8-dihydropteridin-4(3h)-one 0.722 6 B62 (6r)-2-amino-6-methyl-5,6,7,8-tetrahydropteridin-4(3h)-one 0.722 7 JSO 2-azanyl-6-methyl-3~{H}-pteridin-4-one 0.722 8 XHP 2-amino-6-methylidene-6,7-dihydropteridin-4(3h)-one 0.722