1-[2-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]-2,3-dideoxy-5-O-[(2R,3aR,4R,7R,7aR)-octahydro-7,8,8-trimethyl-4,7-methanobenzofuran-2-yl]-α-D-threo-pentofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[2,3-Dideoxy-2-[[[(1,1-dimethylethyl)diphenylsilyl]oxy]methyl]-5-O-[(2R,3aR,4R,7R,7aR)-octahydro-7,8,8-trimethyl-4,7-methanobenzofuran-2-yl]-α-D-threo-pentofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[2,3-Dideoxy-2-[[[(1,1-dimethylethyl)diphenylsilyl]oxy]methyl]-5-O-[(2R,3aR,4R,7R,7aR)-octahydro-7,8,8-trimethyl-4,7-methanobenzofuran-2-yl]-β-D-threo-pentofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[2-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]-2,3-dideoxy-5-O-[(2R,3aR,4R,7R,7aR)-octahydro-7,8,8-trimethyl-4,7-methanobenzofuran-2-yl]-α-D-erythro-pentofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[2,3-Dideoxy-2-[[[(1,1-dimethylethyl)diphenylsilyl]oxy]methyl]-5-O-[(2R,3aR,4R,7R,7aR)-octahydro-7,8,8-trimethyl-4,7-methanobenzofuran-2-yl]-α-D-erythro-pentofuranosyl]-2,4(1H,3H)-pyrimidinedione

Uridine, 2′-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-2′,3′-dideoxy-5′-O-[(2R,3aR,4R,7R,7aR)-octahydro-7,8,8-trimethyl-4,7-methanobenzofuran-2-yl]-

Uridine, 2′,3′-dideoxy-2′-[[[(1,1-dimethylethyl)diphenylsilyl]oxy]methyl]-5′-O-[(2R,3aR,4R,7R,7aR)octahydro-7,8,8-trimethyl-4,7-methanobenzofuran-2-yl]-

9H-Purin-2-amine, 9-[2-O-methyl-3,5-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-β-D-ribofuranosyl]-

Guanosine, 2′-O-methyl-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-, hydrazone

Guanosine, N-[(dimethylamino)methylene]-2′-O-(2-ethoxy-2-oxoethyl)-

Guanosine, 2′-O-(cyanomethyl)-N-[(dimethylamino)methylene]-

Guanosine, N-[(dimethylamino)methylene]-2′-O-2-propynyl-

Guanosine, 6-O-[(1,1-dimethylethyl)diphenylsilyl]-2′-O-(2-ethoxy-2-oxoethyl)-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

Guanosine, 2′-O-(cyanomethyl)-6-O-[(1,1-dimethylethyl)diphenylsilyl]-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

Guanosine, 6-O-[(1,1-dimethylethyl)diphenylsilyl]-2′-O-2-propynyl-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

Guanosine, 2′-O-(2-ethoxy-2-oxoethyl)-N-(2-methyl-1-oxopropyl)-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

Guanosine, 2′-O-(cyanomethyl)-N-(2-methyl-1-oxopropyl)-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

Guanosine, N-(2-methyl-1-oxopropyl)-2′-O-2-propynyl-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

Guanosine, N-(2-methyl-1-oxopropyl)-2′-O-2-propenyl-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

Guanosine, 2′-O-(2-ethoxy-2-oxoethyl)-N-(2-methyl-1-oxopropyl)-6-O-(2-nitrophenyl)-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-