Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-2′-Se-methyl-2′-seleno-

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-2′-Se-methyl-2′-seleno-, 4-[2,4,6-tris(1-methylethyl)benzenesulfonate]

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-2′-Se-methyl-2′-seleno-

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-Se-methyl-2′-seleno-, 3′-(4-nitrophenyl hexanedioate)

Uridine, 5-methyl-2′-C-2-propenyl-

Guanosine 5′-(hexahydrogen pentaphosphate), 7-methyl-, inner salt, P′′′′→5′-ester with guanosine

Guanosine 5′-(tetrahydrogen triphosphate), 7-methyl-2′-O-methyl-, inner salt, P′′→5′-ester with guanosine

Cytidine, 2′-deoxy-N-[3,4-dihydroxy-2-(phenylseleno)butyl]-

Cytidine, 2′-deoxy-N-(3-oxo-1-propenyl)-

2′-Deoxycytidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyguanosine

Guanosine 5′-(trihydrogen diphosphate), P′-(2,3,4,6,7-penta-O-acetyl-D-glycero-α-D-manno-heptopyranosyl) ester

Guanosine, 2′-deoxy-3′,5′-bis-O-[[3-(2-methoxyethoxy)propyl]bis(1-methylethyl)silyl]-

Guanosine, uridylyl-(5′→3′)-N-acetyl-, acetate dibenzoate

Cytidine, 2′-O-acetyluridylyl-(3′→5′)-N-benzoyl-, 2′,3′-dibenzoate

Thymidine, 2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-

Cytidine, N-benzoyl-2′-O-benzoylcytidylyl-(3′→5′)-N-benzoyl-, 2′,3′-dibenzoate

Adenosine, N-benzoylcytidylyl-(5′→3′)-N-benzoyl-, tribenzoate

Guanylyl-(3′→5′)-adenylyl-(3′→5′)-guanosine

Cytidylyl-(3′→5′)-uridylyl-(3′→5′)-cytidine

4H-Imidazo[4,5-d]pyridazin-4-one, 3,5-dihydro-3-[2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-