5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-3′-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2′-deoxy-4-O-(phenylmethyl)uridine

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-4-O-(7-hydroxyheptyl)uridine

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-4-O-(4-hydroxybutyl)uridine

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-4-O-(phenylmethyl)uridine

Uridylyl-(3′→5′)-uridylyl-(3′→5′)-adenylyl-(3′→5′)-adenylyl-(3′→5′)-adenosine

Guanylyl-(3′→5′)-guanylyl-(3′→5′)-adenylyl-(3′→5′)-adenylyl-(3′→5′)-adenosine

Guanosine, 2′-deoxy-2′-fluoro-, cyclic 3′,5′-(hydrogen phosphate)

1-(3,5-O-Phosphinico-β-D-ribofuranosyl)-1H-imidazole

L-Homoserine, anhydride with 5′-adenylic acid (1:1)

L-Homocysteine, anhydride with 5′-adenylic acid (1:1)

1-(2-Nitrophenyl)ethyl N-[4-[3-[2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-2,3-dihydro-2-oxofuro[2,3-d]pyrimidin-6-yl]butyl]carbamate

1-(2-Nitrophenyl)ethyl N-[4-[3-(2-deoxy-β-D-erythro-pentofuranosyl)-2,3-dihydro-2-oxofuro[2,3-d]pyrimidin-6-yl]butyl]carbamate

1-(2-Nitrophenyl)ethyl 3-[2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-2,3-dihydro-2-oxofuro[2,3-d]pyrimidine-6-propanoate

1-(2-Nitrophenyl)ethyl 3-(2-deoxy-β-D-erythro-pentofuranosyl)-2,3-dihydro-2-oxofuro[2,3-d]pyrimidine-6-propanoate

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-3′-deoxy-3′-[[[(2R)-1-[1,2-dideoxy-1-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)-3-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranuronoyl]-2-pyrrolidinyl]carbonyl]amino]thymidine

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-3′-deoxy-3′-[[[(2S)-1-[1,2-dideoxy-1-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)-3-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranuronoyl]-2-pyrrolidinyl]carbonyl]amino]thymidine

Glycine, N-(1-oxo-4-penten-1-yl)thio-L-phenylalanyl-, 3′-ester with 2′-deoxy-5′-O-phosphonocytidylyl-(3′→5′)-adenosine