2'-O-Acetyl-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-3'-de(phosphinicooxy)-5-methyluridylyl(1-oxo-1,2-ethanediyl)imino-(3'→5')-5'-deoxy-5-methyl-2'-O-methyluridine

4-S-[2-[[2-[(2-Bromoacetyl)amino]phenyl]amino]-2-oxoethyl]-4-thiouridine

4-S-[2-[(2-Bromoacetyl)amino]ethenyl]-4-thiouridine

4-S-[4-[(2-Bromoacetyl)amino]-2-buten-1-yl]-4-thiouridine

4-S-[2-[[[4-[[(2-Bromoacetyl)amino]methyl]phenyl]methyl]amino]-2-oxoethyl]-4-thiouridine

4-S-[2-[[[3-[[(2-Bromoacetyl)amino]methyl]phenyl]methyl]amino]-2-oxoethyl]-4-thiouridine

4-S-[2-[[[2-[[(2-Bromoacetyl)amino]methyl]phenyl]methyl]amino]-2-oxoethyl]-4-thiouridine

5'-O-[Bis(4-methoxyphenyl)phenylmethyl]-2'-deoxy-N-(2-methyl-1-oxopropyl)-3'-thioguanosine

2'-O-Methyladenylyl-(3'→5')-2'-O-methylguanylyl-(3'→5')-2'-O-methylcytidylyl-(3'→5')-2'-O-methylguanylyl-(3'→5')-2'-O-methylcytidylyl-(3'→5')-2'-O-methyladenosine

2'-O-Methyluridylyl-(3'→5')-2'-O-methylguanylyl-(3'→5')-2'-O-methylcytidylyl-(3'→5')-2'-O-methylguanylyl-(3'→5')-2'-O-methylcytidylyl-(3'→5')-2'-O-methyladenosine

5-(11-Amino-8-hydroxy-8-oxido-5-oxo-7,9-dioxa-4-aza-8-phospha-1-undecyn-1-yl)-2',3'-dideoxycytidine 5'-(tetrahydrogen triphosphate)

5-[3-[2-[[[4'-(Aminomethyl)-3',6'-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9'-[9H]xanthen]-6-yl]carbonyl]amino]ethoxy]-1-propyn-1-yl]-2',3'-dideoxyuridine 5'-(tetrahydrogen triphosphate)

5-[16-[4'-[[[4-(Aminomethyl)benzoyl]amino]methyl]-3',6'-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9'-[9H]xanthen]-6-yl]-11-hydroxy-11-oxido-8,16-dioxo-4,10,12-trioxa-7,15-diaza-11-phospha-1-hexadecyn-1-yl]-2',3'-dideoxycytidine 5'-(tetrahydrogen triphosphate)

5-(14-Amino-11-hydroxy-11-oxido-8-oxo-4,10,12-trioxa-7-aza-11-phospha-1-tetradecyn-1-yl)-2',3'-dideoxycytidine 5'-(tetrahydrogen triphosphate)

5-[13-[4'-[[[4-(Aminomethyl)benzoyl]amino]methyl]-3',6'-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9'-[9H]xanthen]-6-yl]-8-hydroxy-8-oxido-5,13-dioxo-7,9-dioxa-4,12-diaza-8-phospha-1-tridecyn-1-yl]-2',3'-dideoxycytidine 5'-(tetrahydrogen triphosphate)

5-[3-[2-[[[4'-[[[4-(9-Amino-6-hydroxy-6-oxido-3-oxo-5,7-dioxa-2-aza-6-phosphanon-1-yl)benzoyl]amino]methyl]-3',6'-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9'-[9H]xanthen]-6-yl]carbonyl]amino]ethoxy]-1-propyn-1-yl]-2',3'-dideoxyuridine 5'-(tetrahydrogen triphosphate)

5-[3-[2-[[[4'-[[[4-(Aminomethyl)benzoyl]amino]methyl]-3',6'-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9'-[9H]xanthen]-6-yl]carbonyl]amino]ethoxy]-1-propyn-1-yl]-2',3'-dideoxyuridine 5'-(tetrahydrogen triphosphate)

2'-O-Methylguanylyl-(3'→5')-2'-O-methylguanylyl-(3'→5')-2'-O-methylcytidylyl-(3'→5')-2'-O-methylguanylyl-(3'→5')-2'-O-methylcytidylyl-(3'→5')-2'-O-methyladenosine

2'-O-Methyluridylyl-(3'→5')-2'-O-methylguanylyl-(3'→5')-2'-O-methylcytidylyl-(3'→5')-2'-O-methyladenylyl-(3'→5')-2'-O-methylcytidylyl-(3'→5')-2'-O-methyladenosine

2'-O-Methylcytidylyl-(3'→5')-2'-O-methylguanylyl-(3'→5')-2'-O-methylcytidylyl-(3'→5')-2'-O-methylguanylyl-(3'→5')-2'-O-methylcytidylyl-(3'→5')-2'-O-methyladenosine