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

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

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

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

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

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

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

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

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

N,N′′-[trans-1,4-Cyclohexanediylbis[imino[9-[(2R,3R,3S,4S)-5-(2-ethyl-2H-tetrazol-5-yl)tetrahydro-3,4-dihydroxy-2-furanyl]-9H-purine-6,2-diyl]-(3R)-1,3-pyrrolidinediyl]]bis[N′-(3R)-3-pyrrolidinylurea]

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

N,N′′-[trans-1,4-Cyclohexanediylbis[imino[9-[(2R,3R,3S,4S)-5-(3-ethyl-5-isoxazolyl)tetrahydro-3,4-dihydroxy-2-furanyl]-9H-purine-6,2-diyl]-(3R)-1,3-pyrrolidinediyl]]bis[N′-(3R)-3-pyrrolidinylurea]

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