Cytidine, 5′-O-(carboxyhydroxymethyl)-2′-deoxy-

Thymidine, 5′-O-(carboxyhydroxymethyl)-

Guanosine, 5′-O-(carboxyhydroxymethyl)-

Adenosine, 5′-O-(carboxyhydroxymethyl)-

Cytidine, 5′-O-(carboxyhydroxymethyl)-

Uridine, 5′-O-(carboxyhydroxymethyl)-

Orthoformic acid, ethyl ester, cyclic 2′,3′-ester with 3-β-D-ribofuranosyladenine

Orthoformic acid, methyl ester, cyclic 2′,3′-ester with uridylyl(5′→3′)-2′-O-(tetrahydropyran-2-yl)adenosine

Cortisol, adenosine triphosphate

N′-[1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-1H-imidazo[2,1-b]purin-4-yl]-N,N-dimethylmethanimidamide

N′-[1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-1H-imidazo[2,1-b]purin-4-yl]-N,N-dimethylmethanimidamide

N′-[1-(2-Deoxy-β-D-erythro-pentofuranosyl)-1H-imidazo[2,1-b]purin-4-yl]-N,N-dimethylmethanimidamide

1-[2-Deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-1H-imidazo[2,1-b]purin-4-amine

N-[(2,3-Dimethoxyphenyl)methyl]-1-[5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-ribofuranosyl]-1H-imidazo[2,1-b]purin-4-amine

1-[5-O-[Hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-ribofuranosyl]-N,N-bis(phenylmethyl)-1H-imidazo[2,1-b]purin-4-amine

1-[5-O-[Hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-ribofuranosyl]-N-(phenylmethyl)-1H-imidazo[2,1-b]purin-4-amine

1-[5-O-[Hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-ribofuranosyl]-1H-imidazo[2,1-b]purin-4(5H)-one

1-[5-O-[Hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-ribofuranosyl]-4-(methylthio)-1H-imidazo[2,1-b]purine

1-[5-O-[Hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-ribofuranosyl]-1H-imidazo[2,1-b]purin-4-amine

1-(2-Deoxy-β-D-erythro-pentofuranosyl)-1H-imidazo[2,1-b]purin-4-amine