Guanosine, N-acetyl-6-thio-6-S-(2,3,5-tri-O-acetyl-D-ribofuranosyl)-, 2′,3′,5′-triacetate

2′-Deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-thymidine

4-Amino-1-β-D-ribofuranosyl-1H-imidazole-5-carboselenoamide

5-Amino-1-β-D-ribofuranosyl-1H-imidazole-4-carboselenoamide

4-Amino-1-β-D-ribofuranosyl-1H-imidazole-5-carbothioamide

4-Amino-N-hydroxy-1-β-D-ribofuranosyl-1H-imidazole-5-carboximidamide

Methanimidamide, N′-[5-[(17α)-17-(acetyloxy)-3-methoxy-19-norpregna-1,3,5(10)-trien-20-yn-21-yl]-7-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-4-yl]-N,N-dimethyl-

Methanimidamide, N′-[7-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-5-(phenylethynyl)-7H-pyrrolo[2,3-d]pyrimidin-4-yl]-N,N-dimethyl-

N′-[7-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-5-(1-dodecyn-1-yl)-7H-pyrrolo[2,3-d]pyrimidin-4-yl]-N,N-dimethylmethanimidamide

N-[5-[7-(2-Deoxy-β-D-erythro-pentofuranosyl)-4-[[(dimethylamino)methylene]amino]-7H-pyrrolo[2,3-d]pyrimidin-5-yl]-4-pentyn-1-yl]-2,2,2-trifluoroacetamide

N-[3-[7-(2-Deoxy-β-D-erythro-pentofuranosyl)-4-[[(dimethylamino)methylene]amino]-7H-pyrrolo[2,3-d]pyrimidin-5-yl]-2-propyn-1-yl]-2,2,2-trifluoroacetamide

Methanimidamide, N′-[5-[(17α)-17-(acetyloxy)-3-methoxy-19-norpregna-1,3,5(10)-trien-20-yn-21-yl]-7-(2-deoxy-β-D-erythro-pentofuranosyl)-7H-pyrrolo[2,3-d]pyrimidin-4-yl]-N,N-dimethyl-

Methanimidamide, N′-[7-(2-deoxy-β-D-erythro-pentofuranosyl)-5-(phenylethynyl)-7H-pyrrolo[2,3-d]pyrimidin-4-yl]-N,N-dimethyl-

N′-[7-(2-Deoxy-β-D-erythro-pentofuranosyl)-5-(1-dodecyn-1-yl)-7H-pyrrolo[2,3-d]pyrimidin-4-yl]-N,N-dimethylmethanimidamide