1-[9-[2-Deoxy-3,5-bis-O-(2-methyl-1-oxopropyl)-β-D-erythro-pentofuranosyl]-2-[(2-methyl-1-oxopropyl)amino]-9H-purin-6-yl]pyridinium

2-Azido-9-[5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-L-ribofuranosyl]-9H-purin-6-amine

Guanosine 5′-(trihydrogen diphosphate), 2′-O-[(2-nitrophenyl)methyl]-

3-(2,5-Di-O-phosphono-β-D-ribofuranosyl)-3,6-dihydro-2,6-dioxo-1(2H)-pyrimidinebutanoic acid

3-(3,5-Di-O-phosphono-β-D-ribofuranosyl)-3,6-dihydro-2,6-dioxo-1(2H)-pyrimidinebutanoic acid

3′-Uridylic acid, 3-methyl-, 5′-(dihydrogen phosphate)

2′-Uridylic acid, 3-methyl-, 5′-(dihydrogen phosphate)

2′-Uridylic acid, 3-(3-aminopropyl)-, 5′-(dihydrogen phosphate)

3′-Uridylic acid, 3-(3-aminopropyl)-, 5′-(dihydrogen phosphate)

α-Amino-3-(2,5-di-O-phosphono-β-D-ribofuranosyl)-3,6-dihydro-2,6-dioxo-1(2H)-pyrimidinebutanoic acid

α-Amino-3-(3,5-di-O-phosphono-β-D-ribofuranosyl)-3,6-dihydro-2,6-dioxo-1(2H)-pyrimidinebutanoic acid

Ethyl 3,6-dihydro-2,6-dioxo-3-β-D-ribofuranosyl-1(2H)-pyrimidinebutanoate

Uridine, 3-(3-aminopropyl)-

Adenosine, 3′-thio-, cyclic 3′,5′-(hydrogen phosphate)

3′-Thymidylic acid, 5′-O-[(4-methoxyphenyl)diphenylmethyl]-, bis(2,2,2-trichloroethyl) ester

Uridine, 5-fluoro-, 2′-acetate 5′-(methyl carbonate) 3′-p-toluenesulfonate

Thymidine, P-deoxy-5′-O-[(4-methoxyphenyl)diphenylmethyl]-P-(phenylamino)thymidylyl-(3′→5′)-P-deoxy-P-(phenylamino)thymidylyl-(3′→5′)-, 3′-acetate

Thymidine, 5′-O-[(4-methoxyphenyl)diphenylmethyl]-P-(4-nitrophenyl)thymidylyl-(3′→5′)-P-(4-nitrophenyl)thymidylyl-(3′→5′)-, 3′-acetate

3′-Thymidylic acid, 5′-O-[(4-methoxyphenyl)diphenylmethyl]-P-(4-nitrophenyl)thymidylyl-(3′→5′)-, mono(4-nitrophenyl) ester

Thymidine, P-(4-nitrophenyl)thymidylyl-(3′→5′)-, 3′-acetate