(S)-2-Benzothiazolylphosphonomethyl hydrogen 5′-cytidylate

(R)-2-Benzothiazolylphosphonomethyl hydrogen 5′-cytidylate

(S)-Phosphono-2-thiazolylmethyl hydrogen 5′-cytidylate

(R)-Phosphono-2-thiazolylmethyl hydrogen 5′-cytidylate

6-Iodo-5′-uridylic acid

1-(2-Deoxy-α-D-erythro-pentofuranosyl)-1H-imidazo[4,5-b]pyridine

1-[6-Amino-2-(4-hydroxy-4-phenyl-1-butyn-1-yl)-9H-purin-9-yl]-1-deoxy-N-methyl-β-D-ribofuranuronamide

1-[6-Amino-2-(4-hydroxy-1-hexyn-1-yl)-9H-purin-9-yl]-1-deoxy-N-ethyl-β-D-ribofuranuronamide

5′-O-(3-Carboxy-1-oxopropyl)-P-(2-cyanoethyl)thymidylyl-(3′→5′)-P-(2-cyanoethyl)-2′-deoxy-N-(2-methyl-1-oxopropyl)guanylyl-(3′→5′)-N-benzoyl-P-(2-cyanoethyl)-2′-deoxycytidylyl-(3′→5′)-P-(2-cyanoethyl)-2′-deoxy-N-(2-methyl-1-oxopropyl)guanylyl-(3′→5′)-N-benzoyl-2′-deoxycytidine

1,9-Dihydro-9-[(2R,5S)-tetrahydro-5-(2-hydroxyethyl)-2-furanyl]-6H-purin-6-one

2′-Deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-(1′ξ)-1′-de(6-amino-9H-purin-9-yl)-1′-[(1S)-1-(2-nitrophenyl)ethoxy]adenylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxycytidine

2′-O-Methyladenylyl-(3′→5′)-2′-O-methylguanylyl-(3′→5′)-2′-O-methylguanylyl-(3′→5′)-1′-de(6-amino-9H-purin-9-yl)-1′-[(1R)-1-(2-nitrophenyl)ethoxy]adenylyl-(3′→5′)-2′-O-methyluridylyl-(3′→5′)-2′-O-methyluridylyl-(3′→5′)-cytidine

2′-O-Methyladenylyl-(3′→5′)-2′-O-methylguanylyl-(3′→5′)-2′-O-methylguanylyl-(3′→5′)-1′-de(6-amino-9H-purin-9-yl)-2′-O-methyl-1′-[(1R)-1-(2-nitrophenyl)ethoxy]adenylyl-(3′→5′)-2′-O-methyluridylyl-(3′→5′)-2′-O-methyluridylyl-(3′→5′)-cytidine

(S)-Phosphono-2-thienylmethyl hydrogen 5′-cytidylate

(R)-Phosphono-2-thienylmethyl hydrogen 5′-cytidylate

5′-Cytidylic acid, N-acetyl-, mono[[bis(2-propen-1-yloxy)phosphinyl]-2-thienylmethyl] ester, 2′,3′-diacetate

5′-Cytidylic acid, N-acetyl-, mono[benzo[b]thien-2-yl[bis(2-propen-1-yloxy)phosphinyl]methyl] ester, 2′,3′-diacetate

5′-Cytidylic acid, N-acetyl-, mono[2-benzoxazolyl[bis(2-propen-1-yloxy)phosphinyl]methyl] ester, 2′,3′-diacetate

5′-Cytidylic acid, N-acetyl-, mono[2-benzothiazolyl[bis(2-propen-1-yloxy)phosphinyl]methyl] ester, 2′,3′-diacetate

5′-Cytidylic acid, N-acetyl-, mono[[bis(2-propen-1-yloxy)phosphinyl]-2-thiazolylmethyl] ester, 2′,3′-diacetate