3-[[6-Amino-9-[(2R,4S,5R)-4-[(1,1-dimethylethyl)dimethylsilyl]-5-[[(1,1-dimethylethyl)dimethylsilyl]methyl]tetrahydro-2-furanyl]-9H-purin-8-yl]amino]-7H-benz[de]anthracen-7-one

9-[(2R,4S,5R)-4-[(1,1-Dimethylethyl)dimethylsilyl]-5-[[(1,1-dimethylethyl)dimethylsilyl]methyl]tetrahydro-2-furanyl]-6-(phenylmethoxy)-9H-purin-2-amine

N-[3-(Acetylamino)-7-oxo-7H-benz[de]anthracen-2-yl]-2'-deoxy-3',5'-bis-O-[(1,1-dimethylethyl)dimethylsilyl]adenosine

2'-Deoxy-3',5'-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-N-(3-nitro-7-oxo-7H-benz[de]anthracen-2-yl)guanosine

N-Acetyl-N-(3-amino-7-oxo-7H-benz[de]anthracen-2-yl)-2'-deoxyadenosine

8-[Acetyl[7-oxo-7H-benz[de]anthracen-3-yl]amino]-2'-deoxyadenosine

N-[3-(Acetylamino)-7-oxo-7H-benz[de]anthracen-2-yl]-2'-deoxyguanosine

N-(3-Amino-7-oxo-7H-benz[de]anthracen-2-yl)-2'-deoxy-3',5'-bis-O-[(1,1-dimethylethyl)dimethylsilyl]adenosine

2'-Deoxy-3',5'-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-N-(3-nitro-7-oxo-7H-benz[de]anthracen-2-yl)adenosine

2'-Deoxy-3',5'-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-N-(3-nitro-7-oxo-7H-benz[de]anthracen-2-yl)-6-O-[2-(4-nitrophenyl)ethyl]guanosine

N-[Bis(4-methoxyphenyl)phenylmethyl]-2'-deoxy-3',5'-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-8-[(7-oxo-7H-benz[de]anthracen-3-yl)amino]adenosine

N-[Bis(4-methoxyphenyl)phenylmethyl]-8-bromo-2'-deoxy-3',5'-bis-O-[(1,1-dimethylethyl)dimethylsilyl]adenosine

N-[1-(2-Deoxy-β-D-erythro-pentofuranosyl)-9-oxo-1H,9H,14aH-anthra[9',1':3a,4,5]benzimidazo[2,1-i]purin-13-yl]acetamide

2'-Deoxy-8-[(7-oxo-7H-benz[de]anthracen-3-yl)amino]adenosine

5'-O-[Bis(4-methoxyphenyl)phenylmethyl]-2'-deoxy-5-[2,2'-bithiophen]-5-yluridine

5'-O-[Bis(4-methoxyphenyl)phenylmethyl]-2'-deoxy-5-[2,2':5',2''-terthiophen]-5-yluridine

5'-O-[Bis(4-methoxyphenyl)phenylmethyl]-2'-deoxy-5-(2-[2,2'-bithiophen]-5-ylethynyl)uridine

2'-Deoxy-5-(2-[2,2':5',2''-terthiophen]-5-ylethynyl)uridine

2'-Deoxy-5-[2-[5'-(methylthio)[2,2'-bithiophen]-5-yl]ethynyl]uridine

2'-Deoxy-5-(2-[2,2'-bithiophen]-5-ylethynyl)uridine