Guanosine, N-([1,1′-biphenyl]-4-ylcarbonyl)-2′-O-(5,6-dihydro-4-methoxy-2H-pyran-2-yl)-

Guanosine, 2′-O-(5,6-dihydro-4-methoxy-2H-pyran-2-yl)-N-(diphenylacetyl)-

Guanosine, N-([1,1′-biphenyl]-4-ylcarbonyl)-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

Guanosine, N-(diphenylacetyl)-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

Guanosine, N-benzoyl-2′-O-(3-oxobutyl)-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

Guanosine, N,1-dibenzoyl-2′-O-(3-oxobutyl)-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

N-Benzoyl-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]guanosine

Guanosine, 3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-, 2′-(4-oxopentanoate)

2-β-D-Ribofuranosyl-1,2,4-oxadiazolidine-3,5-dione

2-(2-Deoxy-β-D-erythro-pentofuranosyl)-1,2,4-oxadiazolidine-3,5-dione

2-[2-Deoxy-3,5-bis-O-(4-methylbenzoyl)-β-D-erythro-pentofuranosyl]-1,2,4-oxadiazolidine-3,5-dione

1,2,4-Oxadiazolidine-3,5-dione, 2-[2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-

2-(2,3,5-Tri-O-acetyl-β-D-ribofuranosyl)-1,2,4-oxadiazolidine-3,5-dione

Guanosine, 2′-deoxy-P-(2,2,2-trichloroethyl)guanylyl-(3′→5′)-3′-O-[(4-methoxyphenyl)diphenylmethyl]-

Thymidine, 2′-deoxy-P-(2,2,2-trichloroethyl)cytidylyl-(3′→5′)-3′-O-[(4-methoxyphenyl)diphenylmethyl]-

Thymidine, N-benzoyl-2′-deoxy-P-(2,2,2-trichloroethyl)cytidylyl-(3′→5′)-3′-O-[(4-methoxyphenyl)diphenylmethyl]-

Thymidine, P-[(2-aminoethyl)amino]-P-deoxythymidylyl-(3′→5′)-3′-O-[(4-methoxyphenyl)diphenylmethyl]-

Uridine, 2′-deoxy-5-(3-methyl-3-buten-1-ynyl)-

Uridine, 2′-deoxy-5-[(17α)-3-methoxy-17-[(tetrahydro-2H-pyran-2-yl)oxy]-19-norpregna-1,3,5(10)-trien-20-yn-21-yl]-

2′-Deoxy-5-(1,5-hexadiyn-1-yl)uridine