(4S*)-4,8-dihydro-4-hydroxy-8-oxo-2'-deoxyguanosine

1-(2-deoxy-β-D-erythro-pentofuranosyl)-oxaluric acid

5-((2R,4S,5R)-4-Hydroxy-5-hydroxymethyl-tetrahydro-furan-2-ylamino)-2-imino-2,3-dihydro-imidazol-4-one

3H-8-hydroxy-3-(β-D-2′-deoxyribofuranosyl)-5,6,7,8-tetrahydropyrido[3,2-a]purine-9-one

3-(2'-deoxy-β-D-erythro-pentofuranosyl)-6-hydroxy-5,6,7,8-tetrahydropyrimido[1,2-a]purine-10(3H)-one