7-(3,5-Di-O-acetyl-2-deoxy-β-D-erythro-pentofuranosyl)-3,7-dihydro-4-[2-(4-nitrophenyl)ethoxy]-2H-pyrrolo[2,3-d]pyrimidin-2-one

7-(3,5-Di-O-acetyl-2-deoxy-β-D-erythro-pentofuranosyl)-4-[2-(4-nitrophenyl)ethoxy]-7H-pyrrolo[2,3-d]pyrimidin-2-amine

2-[[Bis(4-methoxyphenyl)phenylmethyl]amino]-7-(3,5-di-O-acetyl-2-deoxy-β-D-erythro-pentofuranosyl)-3,7-dihydro-4H-pyrrolo[2,3-d]pyrimidin-4-one

2-Amino-7-(3,5-di-O-acetyl-2-deoxy-β-D-erythro-pentofuranosyl)-3,7-dihydro-4H-pyrrolo[2,3-d]pyrimidin-4-one

7-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-4,7-dihydro-2,4-dioxo-N1,N1,N3,N3-tetraphenyl-1H-pyrrolo[2,3-d]pyrimidine-1,3(2H)-dicarboxamide

Xanthosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-2,6-di-O-2-propen-1-yl-, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

7-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-2,4-bis(2-propen-1-yloxy)-7H-pyrrolo[2,3-d]pyrimidine

3-Bromo-1-(2-deoxy-β-D-erythro-pentofuranosyl)-1H-pyrazolo[3,4-d]pyrimidine-4,6(5H,7H)-dione

Guanosine, N-[2-(acetylamino)-7-butyl-9H-fluoren-3-yl]-2′-deoxy-

Guanosine, 8-[acetyl(7-butyl-9H-fluoren-2-yl)amino]-2′-deoxy-

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

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

Thymidine, 3′-(hydrogen phosphorochloridite)

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-5-[3-[[[6-(dimethylamino)-2-naphthalenyl]carbonyl]amino]-1-propyn-1-yl]uridine

2-[2-[[1-(2-Deoxy-β-D-erythro-pentofuranosyl)-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]methylene]hydrazino]-N,N,N-trimethyl-2-oxoethanaminium

3′-Thymidylic acid, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 1,1-dioxido-1,2-benzisothiazol-3-yl 5-chloro-8-quinolinyl ester

Adenosine 5′-(trihydrogen diphosphate), P′-[(3R)-4-[[3-[[2-[[(2E)-3-chloro-1-oxo-2-propen-1-yl]amino]ethyl]amino]-3-oxopropyl]amino]-3-hydroxy-2,2-dimethyl-4-oxobutyl] ester

Adenosine 5′-(trihydrogen diphosphate), P′-[(3R)-4-[[3-[[2-[[(2Z)-3-chloro-1-oxo-2-propen-1-yl]amino]ethyl]amino]-3-oxopropyl]amino]-3-hydroxy-2,2-dimethyl-4-oxobutyl] ester

Thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxyguanosine

Inosine, 6-S-propyl-6-thio-