7-(2-Amino-5-nitroso-6-oxo-1,6-dihydro-pyrimidin-4-ylamino)-heptanoic acid [(2R,3S,4R,5R)-5-(6-amino-purin-9-yl)-3,4-dihydroxy-tetrahydro-furan-2-ylmethyl]-amide

7-(2-Amino-5-nitro-6-oxo-1,6-dihydro-pyrimidin-4-ylamino)-heptanoic acid [(2R,3S,4R,5R)-5-(6-amino-purin-9-yl)-3,4-dihydroxy-tetrahydro-furan-2-ylmethyl]-amide

{6-[(4-{[9-((2R,3R,4S,5R)-3,4-Dihydroxy-5-phosphonooxymethyl-tetrahydro-furan-2-yl)-9H-purin-6-yl]-methyl-amino}-butyl)-methyl-carbamoyl]-hexyl}-carbamic acid benzyl ester

{6-[(6-{[9-((2R,3R,4S,5R)-3,4-Dihydroxy-5-phosphonooxymethyl-tetrahydro-furan-2-yl)-9H-purin-6-yl]-methyl-amino}-hexyl)-methyl-carbamoyl]-hexyl}-carbamic acid benzyl ester

(S)-N-((2R,3R,4R,5S,6R)-3-Acetylamino-4,5-dihydroxy-6-hydroxymethyl-tetrahydro-pyran-2-yl)-2-(7-amino-heptanoylamino)-succinamic acid tert-butyl ester