Guanosine 5′-(tetrahydrogen triphosphate), P′′-butyl ester

Guanosine 5′-(tetrahydrogen triphosphate), P′′-propyl ester

Guanosine 5′-(tetrahydrogen triphosphate), P′′-ethyl ester

Guanosine 5′-(tetrahydrogen triphosphate), P′′-methyl ester

Guanosine 5′-(trihydrogen diphosphate), P′-anhydride with phosphorofluoridic acid

5′-Guanylic acid, monoanhydride with phosphoramidic acid

5′-Adenylic acid, monoanhydride with P,P-dibutylphosphinothioic acid

2,4-Imidazolidinedione, 1-(3,5-di-O-acetyl-2-deoxy-β-D-erythro-pentofuranosyl)-5-hydroxy-5-methyl-, (R)-

2,4-Imidazolidinedione, 1-(3,5-di-O-acetyl-2-deoxy-β-D-erythro-pentofuranosyl)-5-hydroxy-5-methyl-, (S)-

N-(3,5-Di-O-acetyl-2-deoxy-β-D-erythro-pentofuranosyl)-N-formylurea

Guanosine, N-acetyl-N-benzo[a]pyren-6-yl-2′-deoxy-6-O-(phenylmethyl)-, 3′,5′-diacetate

Guanosine, 2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-N-1-pyrenyl-

Guanosine, N-benzo[a]pyren-6-yl-2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-

Guanosine, N-benzo[a]pyren-6-yl-2′-deoxy-, 3′,5′-diacetate

Guanosine, N-benzo[a]pyren-6-yl-2′-deoxy-6-O-(phenylmethyl)-, 3′,5′-diacetate

Guanosine, N-benzo[a]pyren-6-yl-2′-deoxy-6-O-(phenylmethyl)-

Guanosine, N-benzo[a]pyren-6-yl-2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-6-O-(phenylmethyl)-

Guanosine, 2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-6-O-(phenylmethyl)-N-1-pyrenyl-

Adenosine, N-acetyl-N-benzo[a]pyren-6-yl-2′-deoxy-

Adenosine, N-benzo[a]pyren-6-yl-2′-deoxy-N-[9-[2-deoxy-3,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]-9H-purin-6-yl]-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-