5′-Cytidylic acid, 2′-deoxy-, mono[63-(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-6-yl)-10,21,32,43,54-pentahydroxy-10,21,32,43,54-pentaoxido-63-oxo-3,6,9,11,14,17,20,22,25,28,31,33,36,39,42,44,47,50,53,55-eicosaoxa-62-aza-10,21,32,43,54-pentaphosphatrihexacont-1-yl] ester

5′-Cytidylic acid, 2′-deoxy-, mono[44-(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-6-yl)-5,11,17,23,29,35-hexahydroxy-5,11,17,23,29,35-hexaoxido-44-oxo-4,6,10,12,16,18,22,24,28,30,34,36-dodecaoxa-43-aza-5,11,17,23,29,35-hexaphosphatetratetracont-1-yl] ester

5′-Cytidylic acid, 2′-deoxy-, mono[32-(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-6-yl)-5,11,17,23-tetrahydroxy-5,11,17,23-tetraoxido-32-oxo-4,6,10,12,16,18,22,24-octaoxa-31-aza-5,11,17,23-tetraphosphadotriacont-1-yl] ester

5′-Cytidylic acid, 2′-deoxy-, mono[30-(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-6-yl)-10,21-dihydroxy-10,21-dioxido-30-oxo-3,6,9,11,14,17,20,22-octaoxa-29-aza-10,21-diphosphatriacont-1-yl] ester

5′-Cytidylic acid, 2′-deoxy-, mono[14-(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-6-yl)-5-hydroxy-5-oxido-14-oxo-4,6-dioxa-13-aza-5-phosphatetradec-1-yl] ester

5′-Cytidylic acid, 2′-deoxy-, mono[19-(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-6-yl)-10-hydroxy-10-oxido-19-oxo-3,6,9,11-tetraoxa-18-aza-10-phosphanonadec-1-yl] ester

5′-Cytidylic acid, 2′-deoxy-, mono[25-(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-6-yl)-10,16-dihydroxy-10,16-dioxido-25-oxo-3,6,9,11,15,17-hexaoxa-24-aza-10,16-diphosphapentacos-1-yl] ester

5′-Thymidylic acid, mono[20-(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-6-yl)-5,11-dihydroxy-5,11-dioxido-20-oxo-4,6,10,12-tetraoxa-19-aza-5,11-diphosphaeicos-1-yl] ester

5′-Thymidylic acid, mono[6-[[(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-6-yl)carbonyl]amino]hexyl] ester

5′-Thymidylic acid, mono[19-(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-6-yl)-10-hydroxy-10-oxido-19-oxo-3,6,9,11-tetraoxa-18-aza-10-phosphanonadec-1-yl] ester

5′-Cytidylic acid, 2′-deoxy-, mono[20-(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-6-yl)-5,11-dihydroxy-5,11-dioxido-20-oxo-4,6,10,12-tetraoxa-19-aza-5,11-diphosphaeicos-1-yl] ester

5′-Cytidylic acid, 2′-deoxy-, mono[38-(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-6-yl)-5,11,17,23,29-pentahydroxy-5,11,17,23,29-pentaoxido-38-oxo-4,6,10,12,16,18,22,24,28,30-decaoxa-37-aza-5,11,17,23,29-pentaphosphaoctatriacont-1-yl] ester

Thymidine, 3′-deoxy-3′-[5-[(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)methyl]-1H-1,2,3-triazol-1-yl]-

1-[2-Chloro-6-[[(3-iodophenyl)methyl]amino]-9H-purin-9-yl]-1,2-dideoxy-2-fluoro-N-methyl-β-D-ribofuranuronamide

Adenosine, 2-chloro-2′-deoxy-2′-fluoro-N-methyl-

Adenosine, 2-chloro-2′-deoxy-2′-fluoro-N-[(3-iodophenyl)methyl]-

2,6-Dichloro-9-(3,5-di-O-acetyl-2-deoxy-2-fluoro-β-D-ribofuranosyl)-9H-purine

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

7-(2-Deoxy-β-D-erythro-pentofuranosyl)-5-iodo-1H-pyrrolo[2,3-d]pyrimidine-2,4(3H,7H)-dione

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