Thymidine, 5′-O-carboxythymidylyl-(3′→5′)-thymidylyl-(3′→5′)-

Thymidine, 5′-O-carboxythymidylyl-(3′→5′)-

Thymidine, 5′-(hydrogen carbonate)

5′-Thymidylic acid, 3′-O-[(4-methoxyphenyl)diphenylmethyl]-

Adenosine, 2-(4-morpholinyl)-

Adenosine, 2-(methylthio)-, 5′-(hydrogen 4-morpholinylphosphonate)

Guanosine, 2′-deoxy-N-methyl-6-O-methyl-

1H-Purinium, 2-amino-7-butyl-9-(2-deoxy-β-D-erythro-pentofuranosyl)-6,9-dihydro-6-oxo-, inner salt

Guanosine, 1-butyl-2′-deoxy-

Guanosine, 2′-deoxy-7-ethyl-, inner salt

3H-Imidazo[2,1-i]purine, 3-[5-S-(3-amino-3-carboxypropyl)-5-thio-β-D-ribofuranosyl]-

S-(5′-Deoxy-N-methyladenosin-5′-yl)homocysteine

Adenosine 5′-(trihydrogen diphosphate), P′→5′-ester with 3-azido-1-β-D-ribofuranosylpyridinium, inner salt

Guanosine, N-(aminocarbonyl)-

B-Homo-6-oxaspirosol-4-en-7-one, 28-acetyl-3-(acetyloxy)-, (3β,22α,25R)-

Adenosine, 5′-[hydrogen (2,4,6,6-tetrahydroxy-2,4,6-trioxido-3,5-dioxa-2,4,6-triphosphahex-1-yl)phosphonate]

Thymidine, α-(3,4-dihydro-1(2H)-quinolinyl)-

Thymidine, α-(3,4-dihydro-1(2H)-quinolinyl)-, 3′,5′-bis(4-methylbenzoate)

3H-Imidazo[2,1-i]purine, 2-(methylthio)-3-(3,5-O-phosphinico-β-D-ribofuranosyl)-7-propyl-

3H-Imidazo[2,1-i]purine, 7-phenyl-3-(3,5-O-phosphinico-β-D-ribofuranosyl)-