Thymidine, 5′-deoxy-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-5′-[ethoxy(1-hydroxy-1-methylethyl)phosphinyl]-

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-de(phosphinicooxy)thymidylylmethylene[(S)-ethoxyphosphinylidene]imino-(3′→5′)-5′-deoxy-5-methyl-2′-O-methyl-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-de(phosphinicooxy)thymidylylmethylene[(R)-ethoxyphosphinylidene]imino-(3′→5′)-5′-deoxy-5-methyl-2′-O-methyl-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-de(phosphinicooxy)thymidylylmethylene[(S)-ethoxyphosphinylidene]imino-(3′→5′)-5′-deoxy-5-methyl-2′-O-methyl-

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-de(phosphinicooxy)thymidylylmethylene[(R)-ethoxyphosphinylidene]imino-(3′→5′)-5′-deoxy-5-methyl-2′-O-methyl-

Uridine, 3′-de(phosphinicooxy)thymidylylmethylene[(S)-ethoxyphosphinylidene]imino-(3′→5′)-5′-deoxy-5-methyl-2′-O-methyl-

Uridine, 3′-de(phosphinicooxy)thymidylylmethylene[(R)-ethoxyphosphinylidene]imino-(3′→5′)-5′-deoxy-5-methyl-2′-O-methyl-

Uridine, 3′-de(phosphinicooxy)-5′-O-[(1,1-dimethylethyl)diphenylsilyl]thymidylylmethylene[(S)-ethoxyphosphinylidene]imino-(3′→5′)-5′-deoxy-5-methyl-2′-O-methyl-

Uridine, 3′-de(phosphinicooxy)-5′-O-[(1,1-dimethylethyl)diphenylsilyl]thymidylylmethylene[(R)-ethoxyphosphinylidene]imino-(3′→5′)-5′-deoxy-5-methyl-2′-O-methyl-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-de(phosphinicooxy)thymidylylmethylene(methylimino)[(S)-methoxyphosphinylidene]-(3′→5′)-5′-deoxy-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-de(phosphinicooxy)thymidylylmethylene(methylimino)[(R)-methoxyphosphinylidene]-(3′→5′)-5′-deoxy-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-de(phosphinicooxy)thymidylylmethylene(methylimino)[(S)-methoxyphosphinylidene]-(3′→5′)-5′-deoxy-

Thymidine, 3′-de(phosphinicooxy)thymidylylmethylene(methylimino)[(S)-methoxyphosphinylidene]-(3′→5′)-5′-deoxy-

Thymidine, 3′-de(phosphinicooxy)thymidylylmethylene(methylimino)[(R)-methoxyphosphinylidene]-(3′→5′)-5′-deoxy-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-de(phosphinicooxy)thymidylylmethylene(methylimino)[(R)-methoxyphosphinylidene]-(3′→5′)-5′-deoxy-

Thymidine, 3′-de(phosphinicooxy)-5′-O-[(1,1-dimethylethyl)diphenylsilyl]thymidylylmethylene(methylimino)[(S)-methoxyphosphinylidene]-(3′→5′)-5′-deoxy-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-

Thymidine, 3′-de(phosphinicooxy)-5′-O-[(1,1-dimethylethyl)diphenylsilyl]thymidylylmethylene(methylimino)[(R)-methoxyphosphinylidene]-(3′→5′)-5′-deoxy-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-

Thymidine, 3′-de(phosphinicooxy)-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-3-[(phenylmethoxy)methyl]thymidylylmethylene(methylimino)[(S)-methoxyphosphinylidene]-(3′→5′)-5′-deoxy-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-3-[(phenylmethoxy)methyl]-

Thymidine, 3′-de(phosphinicooxy)-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-3-[(phenylmethoxy)methyl]thymidylylmethylene(methylimino)[(R)-methoxyphosphinylidene]-(3′→5′)-5′-deoxy-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-3-[(phenylmethoxy)methyl]-

Thymidine, 3′-de(phosphinicooxy)-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-3-[(phenylmethoxy)methyl]thymidylylmethyleneimino(methoxyphosphinylidene)-(3′→5′)-5′-deoxy-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-3-[(phenylmethoxy)methyl]-