Cytidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-, 3′-(methyl 1-pyrrolidinylphosphonite)

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′,3′′′-(methyl phosphite)

2′-O,4′-C-Methyleneadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-O,4′-C-methyleneadenylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-O,4′-C-methyleneadenylyl-(3′→5′)-2′-deoxyguanosine

2′-O,4′-C-Methyleneadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-O,4′-C-methyleneadenylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyguanosine

Thymidine, 2′-deoxycytidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-

2′-O,4′-C-Methyleneadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyguanosine

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

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]thieno[3,2-d]pyrimidine-2,4(1H,3H)-dione

1-[2-Deoxy-3,5-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-β-D-erythro-pentofuranosyl]thieno[3,2-d]pyrimidine-2,4(1H,3H)-dione

1-[2,3,5-Tris-O-(phenylmethyl)-β-D-ribofuranosyl]thieno[3,2-d]pyrimidine-2,4(1H,3H)-dione

Guanosine, 2′-deoxy-3′-O-dephosphinicoguanylyl(carboxymethylene)-(3′→5′)-2′-deoxy-

Adenosine, 2′-deoxy-3′-O-dephosphinicoadenylyl(carboxymethylene)-(3′→5′)-2′-deoxy-

Cytidine, 2′-deoxy-3′-O-dephosphinicocytidylyl(carboxymethylene)-(3′→5′)-2′-deoxy-

Thymidine, 3′-O-dephosphinicothymidylyl(carboxymethylene)-(3′→5′)-

Guanosine, 3′-O-dephosphinicoguanylyl(carboxymethylene)-(3′→5′)-

Adenosine, 3′-O-dephosphinicoadenylyl(carboxymethylene)-(3′→5′)-

Cytidine, 3′-O-dephosphinicocytidylyl(carboxymethylene)-(3′→5′)-

Uridine, 3′-O-dephosphinicouridylyl(carboxymethylene)-(3′→5′)-

Guanosine, 5′-O-(carboxyhydroxymethyl)-2′-deoxy-

Adenosine, 5′-O-(carboxyhydroxymethyl)-2′-deoxy-