Thymidine, 3′-(5-cyano-2-methyl-3-isoxazolidinyl)-3′-deoxy-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-

Thymidine, 3′-deoxy-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-3′-[[(2-propenyloxy)imino]methyl]-

Thymidine, 3′-deoxy-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-3′-[(methoxyimino)methyl]-

Thymidine, 3′-deoxy-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-3′-[(methyloxidoimino)methyl]-

Thymidine, 3′-deoxy-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-3′-[(hydroxyimino)methyl]-

5′-Inosinic acid, 6-thio-, 6-(dihydrogen phosphate)

2′-Deoxy-5-(3-methyl-2-benzofuranyl)uridine

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-[5-(dimethylamino)-1-[4-(dimethylamino)butyl]pentyl [P(S)]-N,N-bis(1-methylethyl)phosphoramidite]

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-[5-(dimethylamino)-1-[4-(dimethylamino)butyl]pentyl [P(R)]-N,N-bis(1-methylethyl)phosphoramidite]

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-methyl-, 3′-[2-[2-(dimethylamino)ethoxy]-1-[[2-(dimethylamino)ethoxy]methyl]ethyl [P(S)]-N,N-bis(1-methylethyl)phosphoramidite]

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-methyl-, 3′-[2-[2-(dimethylamino)ethoxy]-1-[[2-(dimethylamino)ethoxy]methyl]ethyl [P(R)]-N,N-bis(1-methylethyl)phosphoramidite]

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-methyl-, 3′-[2-[2-[(2,2,2-trifluoroacetyl)amino]ethoxy]-1-[[2-[(2,2,2-trifluoroacetyl)amino]ethoxy]methyl]ethyl [P(S)]-N,N-bis(1-methylethyl)phosphoramidite]

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-methyl-, 3′-[2-[2-[(2,2,2-trifluoroacetyl)amino]ethoxy]-1-[[2-[(2,2,2-trifluoroacetyl)amino]ethoxy]methyl]ethyl [P(R)]-N,N-bis(1-methylethyl)phosphoramidite]

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-[2-[2-[(2,2,2-trifluoroacetyl)amino]ethoxy]-1-[[2-[(2,2,2-trifluoroacetyl)amino]ethoxy]methyl]ethyl [P(S)]-phosphonate]

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-[2-[2-[(2,2,2-trifluoroacetyl)amino]ethoxy]-1-[[2-[(2,2,2-trifluoroacetyl)amino]ethoxy]methyl]ethyl [P(R)]-phosphonate]

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-[2-[2-[(2,2,2-trifluoroacetyl)amino]ethoxy]-1-[[2-[(2,2,2-trifluoroacetyl)amino]ethoxy]methyl]ethyl [P(S)]-N,N-bis(1-methylethyl)phosphoramidite]