2-amino-8-(2-deoxy-β-D-ribofuranosyl)imidazo[1,2-a]-s-triazin-4-one
2-Amino-8-((2R,4S,5R)-4-hydroxy-5-hydroxymethyl-tetrahydro-furan-2-yl)-8H-imidazo[1,2-a][1,3,5]triazin-4-one
5-aza-7-deaza-2'-deoxyguanosine
2-amino-8-(2-deoxy-β-D-erythro-pentofuranosyl)-8H-imidazo[1,2-a]-s-triazin-4-one
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