4-Amino-3-bromo-1,6-dihydro-1-[(2R,5S)-tetrahydro-5-(hydroxymethyl)-2-furanyl]-7H-pyrrolo[2,3-d]pyridazin-7-one

4-Amino-1,6-dihydro-1-[(2R,5S)-tetrahydro-5-(hydroxymethyl)-2-furanyl]-7H-pyrrolo[2,3-d]pyridazin-7-one

Ethyl 3-cyano-1-[(2R,5S)-tetrahydro-5-(hydroxymethyl)-2-furanyl]-1H-pyrrole-2-carboxylate

Ethyl 3-cyano-1-[(2R,5S)-5-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]tetrahydro-2-furanyl]-1H-pyrrole-2-carboxylate

Ethyl 3-cyano-1-[2-deoxy-5-O-[(1,1-dimethylethyl)dimethylsilyl]-3-O-(phenoxythioxomethyl)-β-D-erythro-pentofuranosyl]-1H-pyrrole-2-carboxylate

Ethyl 3-cyano-1-[2-deoxy-5-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]-1H-pyrrole-2-carboxylate

4-Amino-3-bromo-1-(2-deoxy-β-D-erythro-pentofuranosyl)-1,6-dihydro-7H-pyrrolo[2,3-d]pyridazin-7-one

Ethyl 3-cyano-1-(2-deoxy-β-D-erythro-pentofuranosyl)-1H-pyrrole-2-carboxylate

4-Amino-1-(2-deoxy-β-D-erythro-pentofuranosyl)-1,6-dihydro-7H-pyrrolo[2,3-d]pyridazin-7-one

Ethyl 3-cyano-1-[2-deoxy-3,5-bis-O-(4-methylbenzoyl)-β-D-erythro-pentofuranosyl]-1H-pyrrole-2-carboxylate

4-Amino-1-β-D-arabinofuranosyl-3-bromo-1,6-dihydro-7H-pyrrolo[2,3-d]pyridazin-7-one

4-Amino-1,6-dihydro-1-[2,3,5-tris-O-(phenylmethyl)-β-D-arabinofuranosyl]-7H-pyrrolo[2,3-d]pyridazin-7-one

Adenosine, 2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxy-

3,5,7-Trioxa-4,6-diphosphaoctan-1-aminium, 8-[(2R,5S)-5-(4-amino-2-oxo-1(2H)-pyrimidinyl)tetrahydro-2-furanyl]-4,6-dihydroxy-N,N,N-trimethyl-, inner salt, 4,6-dioxide

Cytidine, thymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxy-

Adenosine, guanylyl-(3′→5′)-guanylyl-(3′→5′)-adenylyl-(3′→5′)-guanylyl-(3′→5′)-guanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-

Adenosine, guanylyl-(3′→5′)-guanylyl-(3′→5′)-adenylyl-(3′→5′)-guanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-guanylyl-(3′→5′)-

Adenosine, guanylyl-(3′→5′)-guanylyl-(3′→5′)-adenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-guanylyl-(3′→5′)-guanylyl-(3′→5′)-

Adenosine, guanylyl-(3′→5′)-guanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-guanylyl-(3′→5′)-guanylyl-(3′→5′)-guanylyl-(3′→5′)-

Adenosine, guanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-adenylyl-(3′→5′)-guanylyl-(3′→5′)-guanylyl-(3′→5′)-guanylyl-(3′→5′)-