2′,3′-Isopropylideneguanosine362-76-533 % similar Pteroic acid119-24-433 % similar 2,5,6-Triamino-4-pyrimidinol sulfate35011-47-333 % similar 2,5,6-Triamino-4-pyrimidinol sulfate39267-74-833 % similar Entecavir142217-69-432 % similar Methyl 4-[2-(2-amino-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoate155405-80-432 % similar 2-Amino-9-(2-deoxy-2-fluoro-β-D-arabinofuranosyl)-1,9-dihydro-6H-purin-6-one103884-98-632 % similar 3′-Deoxy-3′-fluoroguanosine123402-21-132 % similar Isocytosine108-53-232 % similar 4,6-Difluoro-2-pyrimidinamine675-11-632 % similar 6-Thioxanthine2002-59-731 % similar 3′-O-Methylguanosine10300-27-331 % similar Entecavir hydrate209216-23-931 % similar 2′-O-Methylguanosine2140-71-831 % similar 1,3,5-Triazin-2-amine4122-04-731 % similar 2′-C-Methylguanosine374750-30-830 % similar Ethyl 2-amino-1,4-dihydro-4-oxopyrimidine-5-carboxylate15400-53-030 % similar