L-Aspartic acid, N-5′-uridylyl-, 1,4-dimethyl ester

L-Serine, N-5′-guanylyl-, 1-methyl ester

L-Aspartic acid, N-5′-guanylyl-, 1,4-dimethyl ester

L-Leucine, N-5′-guanylyl-, 1-methyl ester

β-Alanine, N-5′-adenylyl-, 1-methyl ester

Adenosine, 5′-(hydrogen pentylphosphoramidate)

Adenosine 5′-(trihydrogen diphosphate), P′→5′-ester with 3-(aminocarbonyl)-1-β-D-ribofuranosylpyridinium

α-Neuraminic acid, N-acetyl-, P′′→2-ester with cytidine 5′-(tetrahydrogen triphosphate)

1,1-Dimethylethyl 2-[1-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-O-methyl-β-D-ribofuranosyl]-4-[[1-(dimethylamino)ethylidene]amino]-1,2-dihydro-2-oxo-5-pyrimidinyl]-1H-pyrrole-1-carboxylate

1,1-Dimethylethyl 2-[4-[[1-(dimethylamino)ethylidene]amino]-1,2-dihydro-1-(2-O-methyl-β-D-ribofuranosyl)-2-oxo-5-pyrimidinyl]-1H-pyrrole-1-carboxylate

Cytidine, N-[1-(dimethylamino)ethylidene]-5-iodo-2′-O-methyl-

1,1-Dimethylethyl 2-[1-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-O-methyl-β-D-ribofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]-1H-pyrrole-1-carboxylate

1,1-Dimethylethyl 2-[1-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-O-methyl-β-D-ribofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]-1H-pyrrole-1-carboxylate

1,1-Dimethylethyl 2-[1-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-3-O-[(1,1-dimethylethyl)dimethylsilyl]-2-O-methyl-β-D-ribofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]-1H-pyrrole-1-carboxylate

Cytidine, 2′-O-methyl-5-(1H-pyrrol-2-yl)-

Cytidine, 3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-2′-O-methyl-5-(1H-pyrrol-2-yl)-

Uridine, 2′-O-methyl-5-(1H-pyrrol-2-yl)-

Uridine, 3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-2′-O-methyl-5-(1H-pyrrol-2-yl)-

1,1-Dimethylethyl 2-[1-[3,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-2-O-methyl-β-D-ribofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]-1H-pyrrole-1-carboxylate

1,1-Dimethylethyl 2-[1-[3-O-[(1,1-dimethylethyl)dimethylsilyl]-2-O-methyl-β-D-ribofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]-1H-pyrrole-1-carboxylate