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2-Deoxyadenosine-5-carboxylic acid

2-Deoxycytidine-5-carboxylic acid

2-Deoxyguanosine-5-carboxylic acid

2-Deoxyguanosine 3-monophosphate sodium salt

2-Deoxyxanthosine

3,5-Di-o-acetyl-2-deoxyguanosine

2,3-Di-o-acetyl-5-deoxy-5-fluoro-n4-(isopentyloxycarbonyl)cytidine

3,5-Di-o-acetyl-5-bromo-2-deoxy-2-fluorouridine

3,5-Di-o-benzoyl-2-deoxy-2,2-difluorouridine