Adenosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-N-methyl-2′-O-[[[tris(1-methylethyl)silyl]oxy]methyl]-

Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-N-methyl-2′-O-[[[tris(1-methylethyl)silyl]oxy]methyl]-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-N-methyl-2′-O-[[[tris(1-methylethyl)silyl]oxy]methyl]-

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[[[tris(1-methylethyl)silyl]oxy]methyl]-, 3′-acetate

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3-methyl-2′-O-[[[tris(1-methylethyl)silyl]oxy]methyl]-, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3-methyl-2′-O-[[[tris(1-methylethyl)silyl]oxy]methyl]-

Inosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-1-methyl-2′-O-[[[tris(1-methylethyl)silyl]oxy]methyl]-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Inosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-1-methyl-2′-O-[[[tris(1-methylethyl)silyl]oxy]methyl]-

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-N,N-dimethyl-6-O-[2-(4-nitrophenyl)ethyl]-2′-O-[[[tris(1-methylethyl)silyl]oxy]methyl]-, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-N,N-dimethyl-6-O-[2-(4-nitrophenyl)ethyl]-2′-O-[[[tris(1-methylethyl)silyl]oxy]methyl]-

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-N,N-dimethyl-6-O-[2-(4-nitrophenyl)ethyl]-

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-N-methyl-6-O-[2-(4-nitrophenyl)ethyl]-2′-O-[[[tris(1-methylethyl)silyl]oxy]methyl]-, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-N-methyl-6-O-[2-(4-nitrophenyl)ethyl]-2′-O-[[[tris(1-methylethyl)silyl]oxy]methyl]-

Guanosine, N-acetyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-1-methyl-2′-O-[[[tris(1-methylethyl)silyl]oxy]methyl]-, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

Guanosine, N-acetyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-1-methyl-2′-O-[[[tris(1-methylethyl)silyl]oxy]methyl]-

Guanosine, N-acetyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-1-methyl-

Guanosine, N-acetyl-1-methyl-

Guanosine, N-acetyl-1-methyl-, 2′,3′,5′-triacetate

2,5-Methano-5H,9H-pyrimido[2,1-b][1,5,3]dioxazepine, 2,3-dihydro-9-imino-11-(trityloxy)-3-[(trityloxy)methyl]-

Guanosine, N-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-8-[(3,8-dimethyl-3H-imidazo[4,5-f]quinoxalin-2-yl)amino]-6-O-(phenylmethyl)-