5′-Cytidylic acid, 2′-deoxy-, mono[36-(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-6-yl)-6,13,20,27-tetrahydroxy-6,13,20,27-tetraoxido-36-oxo-5,7,12,14,19,21,26,28-octaoxa-35-aza-6,13,20,27-tetraphosphahexatriacont-1-yl] ester

5′-Cytidylic acid, 2′-deoxy-, mono[37-(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-6-yl)-6,17,28-trihydroxy-6,17,28-trioxido-37-oxo-5,7,10,13,16,18,21,24,27,29-decaoxa-36-aza-6,17,28-triphosphanoheptatriacont-1-yl] ester

5′-Cytidylic acid, 2′-deoxy-, mono[29-(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-6-yl)-6,13,20-trihydroxy-6,13,20-trioxido-29-oxo-5,7,12,14,19,21-hexaoxa-28-aza-6,13,20-triphosphanonacos-1-yl] ester

5′-Cytidylic acid, 2′-deoxy-, mono[35-(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-6-yl)-10,21,26-trihydroxy-10,21,26-trioxido-35-oxo-3,6,9,11,14,17,20,22,25,27-decaoxa-34-aza-10,21,26-triphosphapentatriacont-1-yl] ester

5′-Cytidylic acid, 2′-deoxy-, mono[34-(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-6-yl)-10,15,20,25-tetrahydroxy-10,15,20,25-tetraoxido-34-oxo-3,6,9,11,14,16,19,21,24,26-decaoxa-33-aza-10,15,20,25-tetraphosphatetratriacont-1-yl] ester

5′-Cytidylic acid, 2′-deoxy-, mono[23-(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-6-yl)-14-hydroxy-14-oxido-23-oxo-13,15-dioxa-22-aza-14-phosphatricos-1-yl] ester

Cytidine, 2′-deoxy-5-[3-[[6-[[(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-6-yl)carbonyl]amino]hexyl]amino]-3-oxo-1-propenyl]uridylyloxy-1,3-propanediyloxyphosphinico-(3′→5′)-2′-deoxy-

Cytidine, thymidylyloxy(1-hydroxy-1-oxido-2,5,8-trioxa-1-phosphadecane-1,10-diyl)-(3′→5′)-2′-deoxy-5-[3-[[6-[[(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-6-yl)carbonyl]amino]hexyl]amino]-3-oxo-1-propenyl]uridylyloxy(1-hydroxy-1-oxido-2,5,8-trioxa-1-phosphadecane-1,10-diyl)-(3′→5′...

Cytidine, thymidylyloxy(1-hydroxy-1-oxido-2,5,8,11,14,17-hexaoxa-1-phosphanonadecane-1,19-diyl)-(3′→5′)-2′-deoxy-5-[3-[[6-[[(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-6-yl)carbonyl]amino]hexyl]amino]-3-oxo-1-propenyl]uridylyloxy(1-hydroxy-1-oxido-2,5,8-trioxa-1-phosphadecane-1,1...

5′-Cytidylic acid, 2′-deoxy-, mono[26-(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-6-yl)-6,17-dihydroxy-6,17-dioxido-26-oxo-5,7,10,13,16,18-hexaoxa-25-aza-6,17-diphosphahexacos-1-yl] ester

Cytidine, 2′-deoxy-5-[3-[[6-[[(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-6-yl)carbonyl]amino]hexyl]amino]-3-oxo-1-propenyl]uridylyloxy(1-hydroxy-1-oxido-2,5,8,11,14,17-hexaoxa-1-phosphanonadecane-1,19-diyl)-(3′→5′)-2′-deoxy-

2′-Deoxy-5-[3-[[6-[[(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-6-yl)carbonyl]amino]hexyl]amino]-3-oxo-1-propen-1-yl]-5′-O-(1,21,39-trihydroxy-1,21-dioxido-2,5,8,11,14,17,20,22,25,28,31,34,37-tridecaoxa-1,21-diphosphanonatriacont-1-yl)uridylyloxy-1,2-ethanediyloxy-1,2-ethanediylo...

2′-Deoxy-5′-O-(1,19-dihydroxy-1-oxido-2,5,8,11,14,17-hexaoxa-1-phosphanonadec-1-yl)-5-[3-[[6-[[(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-6-yl)carbonyl]amino]hexyl]amino]-3-oxo-1-propen-1-yl]uridylyloxy-1,2-ethanediyloxy-1,2-ethanediyloxy-1,2-ethanediyloxyphosphinico-(3′→5′)-2′-...

Cytidine, thymidylyl-(3′→5′)-2′-deoxy-5-[3-[[6-[[(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-6-yl)carbonyl]amino]hexyl]amino]-3-oxo-1-propenyl]uridylyloxy(1-hydroxy-1-oxido-2,5,8-trioxa-1-phosphadecane-1,10-diyl)-(3′→5′)-2′-deoxy-

2′-Deoxy-5′-O-(1,10-dihydroxy-1-oxido-2,5,8-trioxa-1-phosphadec-1-yl)-5-[3-[[6-[[(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-6-yl)carbonyl]amino]hexyl]amino]-3-oxo-1-propen-1-yl]uridylyloxy-1,2-ethanediyloxy-1,2-ethanediyloxy-1,2-ethanediyloxyphosphinico-(3′→5′)-2′-deoxycytidine

Cytidine, 2′-deoxy-5-[3-[[6-[[(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-6-yl)carbonyl]amino]hexyl]amino]-3-oxo-1-propenyl]-5′-O-[hydroxy(3-hydroxypropoxy)phosphinyl]uridylyloxy-1,2-ethanediyloxy-1,2-ethanediyloxy-1,2-ethanediyloxyphosphinico-(3′→5′)-2′-deoxy-

Cytidine, 2′-deoxy-5-[3-[[6-[[(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-6-yl)carbonyl]amino]hexyl]amino]-3-oxo-1-propenyl]uridylyloxy(1-hydroxy-1-oxido-2,5,8-trioxa-1-phosphadecane-1,10-diyl)-(3′→5′)-2′-deoxy-

5′-Cytidylic acid, 2′-deoxy-, mono[28-(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-6-yl)-19-hydroxy-19-oxido-28-oxo-3,6,9,12,15,18,20-heptaoxa-27-aza-19-phosphaoctacos-1-yl] ester

5′-Thymidylic acid, mono[13-(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-6-yl)-4-hydroxy-4-oxido-13-oxo-3,5-dioxa-12-aza-4-phosphatridec-1-yl] ester

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