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

Uridine, 3′-O-[(1,1-dimethylethyl)dimethylsilyl]-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-deoxy-β-D-erythro-pentofuranosyl]-4-[[1-(dimethylamino)ethylidene]amino]-1,2-dihydro-2-oxo-5-pyrimidinyl]-1H-pyrrole-1-carboxylate

1,1-Dimethylethyl 2-[1-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-4-[[1-(dimethylamino)ethylidene]amino]-1,2-dihydro-2-oxo-5-pyrimidinyl]-1H-pyrrole-1-carboxylate

1,1-Dimethylethyl 2-[1-(2-deoxy-β-D-erythro-pentofuranosyl)-4-[[1-(dimethylamino)ethylidene]amino]-1,2-dihydro-2-oxo-5-pyrimidinyl]-1H-pyrrole-1-carboxylate

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

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

Uridine, 2′-deoxy-5-(1H-pyrrol-2-yl)-