3-Azido-3-deoxy-1,2-O-isopropylidene-α-D-ribofuranose

1-[5,6-Dideoxy-4-C-(hydroxymethyl)-α-L-xylo-hex-5-ynofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

((3aR,4R,6R,6aR)-6-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)methyl isobutyrate

5-Fluorocytidine

((3aS,4S,6S,6aS)-2,2-dimethyl-6-(2-oxo-4-(1H-1,2,4-triazol-1-yl)pyrimidin-1(2H)-yl)tetrahydrofuro[3,4-d][1,3]dioxol-4-yl)methyl isobutyrate

((3aR,4R,6R,6aR)-6-((E)-4-(hydroxyimino)-2-oxo-3,4-dihydropyrimidin-1(2H)-yl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)methyl isobutyrate

6-Chloro-9-methyl-9H-purine

5'-O-(4,4'-Dimethoxytrityl)-2'-O-methyl-N6-methyladenosine3'-CEDphosphoramidite

2-Chloro-N6-isopropyladenosine

5-Aza-2'-deoxycytidine

8-Bromoadenosine 5'-(dihydrogen phosphate)

2'-Chloro-N6-benzyladenosine

1-[(5E)-3-O-[(Bis-diisopropylamino)(2-cyanoethoxy)phosphino]-5,6-dideoxy-6-(diethoxyphosphinyl)-2-O-methyl-β-D-ribo-hex-5-enofuranosyl]uracil

8-Bromoadenosine 3',5'-cyclic monophosphate

2-(P-Cyanophenylmethylidenehydrazino)adenosine

2'-Deoxy-N2,N2-diethylguanosine

2'-C-Methyl-5-fluorouridine

N6-(delta2-Isopentenyl)-adenine

2',3',5'-Tri-O-benzoyl-2'-C-Methyluridine

N6-(2-Methoxybenzyl)adenosine