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

Benzoic acid, 5-[[[[9-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-3-O-(3-carboxy-1-oxopropyl)-2-deoxy-β-D-erythro-pentofuranosyl]-9H-purin-6-yl]amino]carbonyl]amino]-2-[6-[2-(4-nitrophenyl)ethoxy]-3-oxo-3H-xanthen-9-yl]-, 1-[2-(4-nitrophenyl)ethyl] ester

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

Adenosine, 2′-deoxy-N-[[2-(4-nitrophenyl)ethoxy]carbonyl]-5′-O-[[2-(4-nitrophenyl)ethoxy]carbonyl]-P-[2-(4-nitrophenyl)ethyl]adenylyl-(3′→5′)-2′-deoxy-N-[[2-(4-nitrophenyl)ethoxy][[3-[[2-(4-nitrophenyl)ethoxy]carbonyl]-4-[6-[2-(4-nitrophenyl)ethoxy]-3-oxo-3H-xanthen-9-yl]phenyl]amino]methylene]-P-[2...

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]-9H-purin-6-yl]amino][2-(4-nitrophenyl)ethoxy]methylene]amino]-2-[6-[2-(4-nitrophenyl)ethoxy]-3-oxo-3H-xanthen-9-yl]benzoate

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

Adenosine, 2′-deoxy-N-[[(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-5-yl)amino]carbonyl]-5′-O-[[2-(4-nitrophenyl)ethoxy]carbonyl]-P-[2-(4-nitrophenyl)ethyl]adenylyl-(3′→5′)-2′-deoxy-N-[[2-(4-nitrophenyl)ethoxy]carbonyl]-, 3′-[2-(4-nitrophenyl)ethyl carbonate]

Adenosine, N-benzoyl-2′-deoxy-5′-O-[[2-(4-nitrophenyl)ethoxy]carbonyl]-P-[2-(4-nitrophenyl)ethyl]adenylyl-(3′→5′)-2′-deoxy-N-[[2-(4-nitrophenyl)ethoxy]carbonyl]-, 3′-[2-(4-nitrophenyl)ethyl carbonate]

Adenosine, 2′-deoxy-5′-O-[[2-(4-nitrophenyl)ethoxy]carbonyl]-P-[2-(4-nitrophenyl)ethyl]adenylyl-(3′→5′)-2′-deoxy-N-[[2-(4-nitrophenyl)ethoxy]carbonyl]-, 3′-[2-(4-nitrophenyl)ethyl carbonate]