2'-Deoxy-N-[(1R ,2S )-2,7-diamino-9-[[[9-(2-deoxy-β-D-erythro -pentofuranosyl)-6,9-dihydro-6-oxo-1H -purin-2-yl]amino]methyl]-2,3,5,8-tetrahydro-6-methyl-5,8-dioxo-1H-pyrrolo[1,2-a]indol-1-yl]guanosine

2'-Deoxy-N -[(7S ,8R ,9S ,10S)-7,8,9,10-tetrahydro-7,8,9-trihydroxybenzo[a]pyren-10-yl]adenosine

1-(2-Deoxy-β-D-erythro-pentofuranosyl)-2(1H)-pyridinone

7-(2'-Deoxyguanosin-N-yl)aristolactam II

7-(2-Deoxy-β-D-erythro -pentofuranosyl)-7H -pyrrolo[2,3-d ]pyrimidine-2,4-diamine

7-Methyl-7-deaza-2'deoxyguanosine

Uridine,2'-deoxy-5-(trimethylsilyl)-

2'-Deoxy-N-furfuryladenosine

5-Acetyl-2'-deoxyuridine

N-(Deoxyadenosin-8-yl)-4-aminobiphenyl

Guanosine,2'-deoxy-N-(phenylacetyl)-

2'-Deoxy-8-[(1-oxido-4-quinolinyl)amino]guanosine

Guanosine, 2'-deoxy-N-[(7S,8R,9R,10S)-7,8,9,10-tetrahydro-7,8,9-trihydroxybenzo[a]pyren-10-yl]-

2'-Deoxy-N-[(11R,12S,13R,14S)-11,12,13,14-tetrahydro-11,12,13-trihydroxydibenzo[def,p]chrysen-14-yl]adenosine

3-[5-[2-(2,3-Dihydroxypropyl)-1,2-dicarbadodecaboran(12)-1-yl]pentyl]thymidine

5,6-Dihydro-5-hydroxythymidine

Thymidine,4-O-(1-methylethyl)-

Thymidine,5,6-dihydro-5-hydroxy-,(S)-

2'-Deoxy-7,8-dihydro-8-oxoinosine

7-(2-Deoxy-β-D-erythro-pentofuranosyl)-5-methyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine