1-Deoxy-1-(2,6-dichloro-9H-purin-9-yl)-N-ethyl-2,3-O-(1-methylethylidene)-β-L-ribofuranuronamide

1-Deoxy-N-ethyl-2,3-O-(1-methylethylidene)-1-[6-[(2-methylpropyl)amino]-2-[[2-[[(4-pyridinylamino)carbonyl]amino]ethyl]amino]-9H-purin-9-yl]-β-L-ribofuranuronamide

1-[2-Chloro-6-[(2-methylpropyl)amino]-9H-purin-9-yl]-1-deoxy-N-ethyl-2,3-O-(1-methylethylidene)-β-L-ribofuranuronamide

1-Deoxy-1-[6-[(2,2-diphenylethyl)amino]-2-[[2-[[(4-pyridinylamino)carbonyl]amino]ethyl]amino]-9H-purin-9-yl]-N-ethyl-2,3-O-(1-methylethylidene)-β-L-ribofuranuronamide

1-[2-[(2-Aminoethyl)amino]-6-[(2,2-diphenylethyl)amino]-9H-purin-9-yl]-1-deoxy-N-ethyl-2,3-O-(1-methylethylidene)-β-L-ribofuranuronamide

1-[6-Amino-2-[[2-[[(4-pyridinylamino)carbonyl]amino]ethyl]amino]-9H-purin-9-yl]-1-deoxy-N-ethyl-2,3-O-(1-methylethylidene)-β-L-ribofuranuronamide

1-[6-Amino-2-[(2-aminoethyl)amino]-9H-purin-9-yl]-1-deoxy-N-ethyl-2,3-O-(1-methylethylidene)-β-L-ribofuranuronamide

1-[2-[[2-[4-(2-Aminoethyl)phenyl]ethyl]amino]-6-[(2,2-diphenylethyl)amino]-9H-purin-9-yl]-1-deoxy-N-ethyl-2,3-O-(1-methylethylidene)-β-L-ribofuranuronamide

1-[6-Amino-2-[[[2-[[[[1-(2-pyridinyl)-4-piperidinyl]amino]carbonyl]amino]ethyl]amino]carbonyl]-9H-purin-9-yl]-1-deoxy-N-ethyl-2,3-O-(1-methylethylidene)-β-L-ribofuranuronamide

1-[6-Amino-2-[[(2-aminoethyl)amino]carbonyl]-9H-purin-9-yl]-1-deoxy-N-ethyl-2,3-O-(1-methylethylidene)-β-L-ribofuranuronamide

Ethyl 6-amino-9-[N-ethyl-2,3-O-(1-methylethylidene)-β-L-ribofuranuronamidosyl]-9H-purine-2-carboxylate

2-Naphthalenyl 3-[1-(2-deoxy-β-D-erythro-pentofuranosyl)-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]-2-propenoate