Inosine, 5′-O-(hydroxymercaptophosphinyl)-P-thiocytidylyl-(3′→5′)-

Inosine, 5′-O-phosphonouridylyl-(3′→5′)-

Inosine, 5′-O-phosphonocytidylyl-(3′→5′)-

Adenosine, 5′-O-(hydroxymercaptophosphinyl)-P-thiouridylyl-(3′→5′)-

Adenosine 5′-(trihydrogen diphosphate), P′→5′-ester with thymidine

Guanosine, 5′-O-phosphonothymidylyl-(3′→5′)-2′-deoxy-6-thio-

Guanosine, 5′-O-phosphono-4-thiothymidylyl-(3′→5′)-2′-deoxy-

3′-Guanylic acid, thymidylyl-(3′→5′)-2′-deoxy-6-thio-

3′-Uridylic acid, 2′-O-(tetrahydro-2H-pyran-2-yl)-, mono(2-cyanoethyl) ester, 5′-(γ-oxobenzenebutanoate)

3′-Uridylic acid, 6-deoxyguanylyl-(3′→5′)-

3′-Thymidylic acid, adenylyl-(3′→5′)-

Uridine, P-thioadenylyl-(3′→5′)-, 3′-(dihydrogen phosphorothioate)

3′-Uridylic acid, adenylyl-(3′→5′)-4-thio-

3′-Uridylic acid, 8,9-didehydro-7,8-dihydro-8-aza-9-deazaadenylyl-(3′→5′)-

3′-Cytidylic acid, 8,9-didehydro-7,8-dihydro-8-aza-9-deazaadenylyl-(3′→5′)-

Cytidine, 5′-O-(hydroxymercaptophosphinyl)inosinylyl-(3′→5′)-

Uridine, 5′-O-phosphono-P-thioadenylyl-(3′→5′)-

1-[2-Deoxy-3,5-bis-O-(4-methylbenzoyl)-α-D-erythro-pentofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, cyclic 2′,3′-(hydrogen phosphate)

Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, cyclic 2′,3′-(hydrogen phosphate)