Adenosine, N-[[2-(4-nitrophenyl)ethoxy]carbonyl]-2′-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)-, 5′-(2-cyano-1-phenylethyl carbonate)

Cytidine, N-[[2-(4-nitrophenyl)ethoxy]carbonyl]-2′-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)-, 3′,5′-bis(2-cyano-1-phenylethyl carbonate)

Uridine, 2′-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)-, 5′-(2-cyano-1-phenylethyl carbonate)

Propionamide, N-[1-(2-deoxy-β-D-erythro-pentofuranosyl)-5-fluoro-1,2-dihydro-2-oxo-4-pyrimidinyl]-2,2-dimethyl-, di-p-toluate (ester)

2′-Deoxy-N-[[(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-5-yl)amino]carbonyl]guanosine

Adenosine, 2′-deoxy-N-[[(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-5-yl)amino]carbonyl]-

2′-Deoxy-N-[[(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-5-yl)amino]carbonyl]cytidine

2-(4-Nitrophenyl)ethyl 5-[[[[9-(2-deoxy-β-D-erythro-pentofuranosyl)-6-[2-(4-nitrophenyl)ethoxy]-9H-purin-2-yl]amino]carbonyl]amino]-2-[6-[2-(4-nitrophenyl)ethoxy]-3-oxo-3H-xanthen-9-yl]benzoate

Thymidine, 2′-deoxy-N-[[(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-5-yl)amino]carbonyl]adenylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-

Thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxy-N-[[(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-5-yl)amino]carbonyl]guanosine

Adenosine, thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxy-N-[[(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-5-yl)amino]carbonyl]-

Cytidine, thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxy-N-[[(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-5-yl)amino]carbonyl]-

2′-Deoxyguanylyl-(3′→5′)-2′-deoxy-N-[[(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-5-yl)amino]carbonyl]guanylyl-(3′→5′)-2′-deoxyguanosine

Cytidine, 2′-deoxycytidylyl-(3′→5′)-2′-deoxy-N-[[(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-5-yl)amino]carbonyl]cytidylyl-(3′→5′)-2′-deoxy-

2-(4-Nitrophenyl)ethyl 5-[[[[1-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-1,2-dihydro-2-oxo-4-pyrimidinyl]amino]carbonyl]amino]-2-[6-[2-(4-nitrophenyl)ethoxy]-3-oxo-3H-xanthen-9-yl]benzoate

2-(4-Nitrophenyl)ethyl 5-[[[[9-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-6-[2-(4-nitrophenyl)ethoxy]-9H-purin-2-yl]amino]carbonyl]amino]-2-[6-[2-(4-nitrophenyl)ethoxy]-3-oxo-3H-xanthen-9-yl]benzoate

2-(4-Nitrophenyl)ethyl 5-[[[[9-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-6-[2-(4-nitrophenyl)ethoxy]-9H-purin-2-yl]amino]carbonyl]amino]-2-[6-[2-(4-nitrophenyl)ethoxy]-3-oxo-3H-xanthen-9-yl]benzoate

2-(4-Nitrophenyl)ethyl 5-[[[[1-(2-deoxy-β-D-erythro-pentofuranosyl)-1,2-dihydro-2-oxo-4-pyrimidinyl]amino]carbonyl]amino]-2-[6-[2-(4-nitrophenyl)ethoxy]-3-oxo-3H-xanthen-9-yl]benzoate

2-(4-Nitrophenyl)ethyl 5-[[[[9-[2-deoxy-3,5-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-β-D-erythro-pentofuranosyl]-6-[2-(4-nitrophenyl)ethoxy]-9H-purin-2-yl]amino]carbonyl]amino]-2-[6-[2-(4-nitrophenyl)ethoxy]-3-oxo-3H-xanthen-9-yl]benzoate

2′-Deoxy-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-6-O-[2-(4-nitrophenyl)ethyl]guanosine