1,1′-[(3,4-Dioxo-1-cyclobutene-1,2-diyl)bis[imino-trans-4,1-cyclohexanediylimino[2-[(3R)-3-(dimethylamino)-1-pyrrolidinyl]-9H-purine-6,9-diyl]]]bis[1-deoxy-N-ethyl-β-D-ribofuranuronamide]

1,1′-[Carbonylbis[1,4-piperidinediylimino[2-[(3R)-3-(dimethylamino)-1-pyrrolidinyl]-9H-purine-6,9-diyl]]]bis[1-deoxy-N-ethyl-β-D-ribofuranuronamide]

1-Deoxy-1-[2-[(3R)-3-(dimethylamino)-1-pyrrolidinyl]-6-[[(3R)-1-[[[trans-4-[[2-[(3R)-3-(dimethylamino)-1-pyrrolidinyl]-9-(N-ethyl-β-D-ribofuranuronamidosyl)-9H-purin-6-yl]amino]cyclohexyl]amino]carbonyl]-3-pyrrolidinyl]amino]-9H-purin-9-yl]-N-ethyl-β-D-ribofuranuronamide

1,1′-[Carbonylbis[(3R)-1,3-pyrrolidinediylimino[2-[(3R)-3-(dimethylamino)-1-pyrrolidinyl]-9H-purine-6,9-diyl]]]bis[1-deoxy-N-ethyl-β-D-ribofuranuronamide]

1,1′-[1,3,5-Triazine-1,3-diylbis[imino-trans-4,1-cyclohexanediylimino[2-[[2-(1-methyl-1H-imidazol-4-yl)ethyl]amino]-9H-purine-6,9-diyl]]]bis[1-deoxy-N-ethyl-β-D-ribofuranuronamide]

1,1′-[Carbonylbis[imino-trans-4,1-cyclohexanediylimino[2-[(3R)-3-(dimethylamino)-1-pyrrolidinyl]-9H-purine-6,9-diyl]]]bis[1-deoxy-N-ethyl-β-D-ribofuranuronamide]

1-Deoxy-N-ethyl-1-[6-[[1-[[[trans-4-[[9-(N-ethyl-β-D-ribofuranuronamidosyl)-2-[[2-(1-methyl-1H-imidazol-4-yl)ethyl]amino]-9H-purin-6-yl]amino]cyclohexyl]amino]carbonyl]-4-piperidinyl]amino]-2-[[2-(1-methyl-1H-imidazol-4-yl)ethyl]amino]-9H-purin-9-yl]-β-D-ribofuranuronamide

1,1′-[(3,4-Dioxo-1-cyclobutene-1,2-diyl)bis[imino-trans-4,1-cyclohexanediylimino[2-[[2-(1-methyl-1H-imidazol-4-yl)ethyl]amino]-9H-purine-6,9-diyl]]]bis[1-deoxy-N-ethyl-β-D-ribofuranuronamide]

1-Deoxy-N-ethyl-1-[6-[[(3R)-1-[[4-[[9-(N-ethyl-β-D-ribofuranuronamidosyl)-2-[[2-(1-methyl-1H-imidazol-4-yl)ethyl]amino]-9H-purin-6-yl]amino]-1-piperidinyl]carbonyl]-3-pyrrolidinyl]amino]-2-[[2-(1-methyl-1H-imidazol-4-yl)ethyl]amino]-9H-purin-9-yl]-β-D-ribofuranuronamide

1,1′-[(6-Chloro-1,3,5-triazine-1,3-diyl)bis[imino-trans-4,1-cyclohexanediylimino[2-[[2-(1-methyl-1H-imidazol-4-yl)ethyl]amino]-9H-purine-6,9-diyl]]]bis[1-deoxy-N-ethyl-β-D-ribofuranuronamide]

1,1′-[Carbonylbis[(3R)-1,3-pyrrolidinediylimino[2-[[2-(1-methyl-1H-imidazol-4-yl)ethyl]amino]-9H-purine-6,9-diyl]]]bis[1-deoxy-N-ethyl-β-D-ribofuranuronamide]

1-Deoxy-N-ethyl-1-[6-[[(3R)-1-[[[trans-4-[[9-(N-ethyl-β-D-ribofuranuronamidosyl)-2-[[2-(1-methyl-1H-imidazol-4-yl)ethyl]amino]-9H-purin-6-yl]amino]cyclohexyl]amino]carbonyl]-3-pyrrolidinyl]amino]-2-[[2-(1-methyl-1H-imidazol-4-yl)ethyl]amino]-9H-purin-9-yl]-β-D-ribofuranuronamide

(2R,2′R,3R,3′R,4S,4′S,5R,5′R)-2,2′-[1,4-Phenylenebis[2,1-ethanediylimino[2-[(3R)-3-(dimethylamino)-1-pyrrolidinyl]-9H-purine-6,9-diyl]]]bis[5-(2-ethyl-2H-tetrazol-5-yl)tetrahydro-3,4-furandiol]

1,1′-[Carbonylbis[imino-trans-4,1-cyclohexanediylimino[2-[[2-(1-methyl-1H-imidazol-4-yl)ethyl]amino]-9H-purine-6,9-diyl]]]bis[1-deoxy-N-ethyl-β-D-ribofuranuronamide]

(2R,2′R,3R,3′R,4S,4′S,5R,5′R)-2,2′-[(2-Hydroxy-2-phenyl-1,3-propanediyl)bis[imino[2-[(3R)-3-(dimethylamino)-1-pyrrolidinyl]-9H-purine-6,9-diyl]]]bis[5-(2-ethyl-2H-tetrazol-5-yl)tetrahydro-3,4-furandiol]

(2R,2′R,3R,3′R,4S,4′S,5R,5′R)-2,2′-[(2-Hydroxy-1,3-propanediyl)bis[imino[2-[(3R)-3-(dimethylamino)-1-pyrrolidinyl]-9H-purine-6,9-diyl]]]bis[5-(2-ethyl-2H-tetrazol-5-yl)tetrahydro-3,4-furandiol]

(2R,2′R,3R,3′R,4S,4′S,5R,5′R)-2,2′-[(2,2-Dimethyl-1,3-propanediyl)bis[imino[2-[(3R)-3-(dimethylamino)-1-pyrrolidinyl]-9H-purine-6,9-diyl]]]bis[5-(2-ethyl-2H-tetrazol-5-yl)tetrahydro-3,4-furandiol]

1,1′-[1,3,5-Triazine-2,4-diylbis[imino-trans-4,1-cyclohexanediylimino(2-chloro-9H-purine-6,9-diyl)]]bis[1-deoxy-N-ethyl-β-D-ribofuranuronamide]

(2R,2′R,3R,3′R,4S,4′S,5R,5′R)-2,2′-[1,4-Butanediylbis[imino[2-[(3R)-3-(dimethylamino)-1-pyrrolidinyl]-9H-purine-6,9-diyl]]]bis[5-(2-ethyl-2H-tetrazol-5-yl)tetrahydro-3,4-furandiol]

(2R,2′R,3R,3′R,4S,4′S,5R,5′R)-2,2′-[1,3-Propanediylbis[imino[2-[(3R)-3-(dimethylamino)-1-pyrrolidinyl]-9H-purine-6,9-diyl]]]bis[5-(2-ethyl-2H-tetrazol-5-yl)tetrahydro-3,4-furandiol]