1-[(3aR,4R,6R,6aR)-6-(2-Butyn-1-yl)tetrahydro-2,2-dimethylfuro[3,4-d]-1,3-dioxol-4-yl]-6-methyl-2,4(1H,3H)-pyrimidinedione

2′-O-Dephosphinico-2′,3′-O-(1-methylethylidene)-5′-O-[tris(1-methylethyl)silyl]adenylyl-(8→7′)-6′,7′-dideoxy-6-[[[(1,1-dimethylethyl)diphenylsilyl]oxy]methyl]-2′,3′-O-(1-methylethylidene)-α-L-talo-hept-6-ynofuranouridine

2′-O-Dephosphinico-2′,3′-O-(1-methylethylidene)-5′-O-[tris(1-methylethyl)silyl]adenylyl-(8→7′)-6′,7′-dideoxy-2′,3′-O-(1-methylethylidene)-α-L-talo-hept-6-ynofuranouridine

2′-O-Dephosphinico-2′,3′-O-(1-methylethylidene)-5′-O-[tris(1-methylethyl)silyl]adenylyl-(8→7′)-6′,7′-dideoxy-2′,3′-O-(1-methylethylidene)-5′-O-[tris(1-methylethyl)silyl]-β-D-allo-hept-6-ynofuranouridine

2′-O-Dephosphinico-2′,3′-O-(1-methylethylidene)-5′-O-[tris(1-methylethyl)silyl]adenylyl-(8→7′)-6′,7′-dideoxy-2′,3′-O-(1-methylethylidene)-β-D-allo-hept-6-ynofuranouridine

2′-O-Dephosphinico-2′,3′-O-(1-methylethylidene)-5′-O-[tris(1-methylethyl)silyl]uridylyl-(6→7′)-5′,6′,7′-trideoxy-8-[[[(1,1-dimethylethyl)diphenylsilyl]oxy]methyl]-2′,3′-O-(1-methylethylidene)-β-D-ribo-hept-6-ynofuranoadenosine

2′-O-Dephosphinico-2′,3′-O-(1-methylethylidene)-5′-O-[tris(1-methylethyl)silyl]uridylyl-(6→7′)-6′,7′-dideoxy-8-[[[(1,1-dimethylethyl)diphenylsilyl]oxy]methyl]-2′,3′-O-(1-methylethylidene)-α-L-talo-hept-6-ynofuranoadenosine

2′-O-Dephosphinico-2′,3′-O-(1-methylethylidene)-5′-O-[tris(1-methylethyl)silyl]uridylyl-(6→7′)-6′,7′-dideoxy-8-[[[(1,1-dimethylethyl)diphenylsilyl]oxy]methyl]-2′,3′-O-(1-methylethylidene)-β-D-allo-hept-6-ynofuranoadenosine

2′-O-Dephosphinico-2′,3′-O-(1-methylethylidene)-5′-O-[tris(1-methylethyl)silyl]uridylyl-(6→7′)-6′,7′-dideoxy-2′,3′-O-(1-methylethylidene)-5′-O-[tris(1-methylethyl)silyl]-β-D-allo-hept-6-ynofuranoadenosine

2′-O-Dephosphinico-2′,3′-O-(1-methylethylidene)-5′-O-[tris(1-methylethyl)silyl]uridylyl-(6→7′)-6′,7′-dideoxy-2′,3′-O-(1-methylethylidene)-β-D-allo-hept-6-ynofuranoadenosine

8-[[[(1,1-Dimethylethyl)diphenylsilyl]oxy]methyl]-9-[5,6,7-trideoxy-2,3-O-(1-methylethylidene)-β-D-ribo-hept-6-ynofuranosyl]-9H-purin-6-amine

N-[8-[[[(1,1-Dimethylethyl)diphenylsilyl]oxy]methyl]-9-[5,6,7-trideoxy-2,3-O-(1-methylethylidene)-7-(trimethylsilyl)-β-D-ribo-hept-6-ynofuranosyl]-9H-purin-6-yl]benzamide

9-[6,7-Dideoxy-2,3-O-(1-methylethylidene)-α-L-talo-hept-6-ynofuranosyl]-8-[[[(1,1-dimethylethyl)diphenylsilyl]oxy]methyl]-9H-purin-6-amine

9-[6,7-Dideoxy-2,3-O-(1-methylethylidene)-β-D-allo-hept-6-ynofuranosyl]-8-[[[(1,1-dimethylethyl)diphenylsilyl]oxy]methyl]-9H-purin-6-amine

N-[9-[6,7-Dideoxy-2,3-O-(1-methylethylidene)-7-(trimethylsilyl)-α-L-talo-hept-6-ynofuranosyl]-8-[[[(1,1-dimethylethyl)diphenylsilyl]oxy]methyl]-9H-purin-6-yl]benzamide

N-[9-[6,7-Dideoxy-2,3-O-(1-methylethylidene)-7-(trimethylsilyl)-β-D-allo-hept-6-ynofuranosyl]-8-[[[(1,1-dimethylethyl)diphenylsilyl]oxy]methyl]-9H-purin-6-yl]benzamide

N-Benzoyl-8-[[[(1,1-dimethylethyl)diphenylsilyl]oxy]methyl]-2′,3′-O-(1-methylethylidene)adenosine

N-Benzoyl-5′-O-[(1,1-dimethylethyl)dimethylsilyl]-8-[[[(1,1-dimethylethyl)diphenylsilyl]oxy]methyl]-2′,3′-O-(1-methylethylidene)adenosine

N-Benzoyl-5′-O-[(1,1-dimethylethyl)dimethylsilyl]-8-(hydroxymethyl)-2′,3′-O-(1-methylethylidene)adenosine

2′,3′-O-(1-Methylethylidene)-8-iodo-5′-O-[tris(1-methylethyl)silyl]adenosine