Modified Bases

3'-Deoxyadenosine

2' Deoxyribonucleoside （DNA）

3'-Deoxycytidine

Purines

3'-Deoxyguanosine

2-Aminopurine-2'-deoxyriboside

3'-Deoxythymidine

8-Amino-2'-deoxyadenosine

2',3'-Dideoxyadenosine

8-Amino-2'-deoxyguanosine

2',3'-Dideoxycytidine

8-Bromo-2'-deoxyadenosine

2',3'-Dideoxyguanosine

8-Bromo-2'-deoxyguanosine

2',3'-Dideoxythymidine

7-Deaza-8-aza-2'-deoxyadenosine

5'-Iodothymidine

7-Deaza-2'-deoxyadenosine

5'-O-Methylthymidine

7-Deaza-2'-deoxyguanosine

Wobble and Universal Bases

7-Deaza-2'-deoxyxanthosine

2'-Deoxyinosine

2,6-Diaminopurine-2'-deoxyriboside

2'-Deoxyisoguanosine

Etheno-2'-deoxyadenosine

2'-Deoxynebularine

N⁶-Methyl-2'-deoxyadenosine

K-2'-deoxyribose

O⁶-Methyl-2'-deoxyguanosine

5-Methyl-2'-Deoxyisocytidine

O⁶-Phenyl-2'-deoxyinosine

P-2'-deoxyribose

8-Oxo-2'-deoxyadenosine

Biotin Other Non-fluorescent Conjugates

8-Oxo-2'-deoxyguanosine

Biotin BB

6-Thio-2'-deoxyguanosine

Biotin

Pyrimidines

Biotin TEG

5'-Aminothymidine

Biotin-dT

5-Bromo-2'-deoxycytidine

Biotin Diol linker

5-Bromo-2'-deoxyuridine

Dual Biotin

5-（Carboxy）vinyl-2'-deoxyuridine

PC Biotin

2'-Deoxypseudouridine

Cholesteryl TEG

2'-Deoxyuridine

DNP-X

2,4-Difluorotoluyl

DNP TEG

5,6-Dihydrothymidine

Psoralen C2

5,6-Dihydro-2'-deoxyuridine

Psoralen C6

5-（C2-EDTA）-2'-deoxyuridine

Acridine

N⁴-Ethyl-2'-deoxycytidine

Abasic

5-Fluoro-2'-deoxyuridine

Linkers

5-Hydroxymethyl-2'-deoxyuridine

3' C3 Amino Linker

5-Hydroxy-2'-deoxycytidine

3' C6 Amino Linker

5-Hydroxy-2'-deoxyuridine

3' C7 Amino Linker

5-Iodo-2'-deoxycytidine

5' C6 Amino Linker

5-Iodo-2'-deoxyuridine

5' C12 Amino Linker

5-Methyl-2'-deoxycytidine

PC Amino Linker

O⁴-Methylthymidine

3' C3 Disulfide Linker

5-Propynyl-2'-deoxycytidine

3' C6 Disulfide Linker

5-Propynyl-2'-deoxyuridine

5' C6 Disulfide Linker

Pyrrolo-2'-deoxycytidine

Aldehyde

4-Thio-2'-deoxyuridine

Carboxy-dT Linker

2-Thiothymidine

DADE Linker（5' Carboxyl Linker）

4-Thiothymidine

Thymidine-5-C2 and C6 Amino Linker

Thymidine Glycol

2'-Deoxyadenosine-8-C6 Amino Linker

6-O-TMP-5-F-2'-deoxyuridine

2'-Deoxycytidine-5-C6 Amino Linker

C4-（1,2,4-Triazol-1-yl）-2'-deoxyuridine

2'-Deoxyguanosine-8-C6 Amino Linker

Ribonucleoside （RNA）

C7 Internal Amino Linker

2-Aminopurine

PC Linker

5-Bromouridine

Spacers

2,6-Diaminopurine

C3 （Propyl ） Spacer

Inosine

C6 Spacer

5-Iodouridine

Spacer 9 （Triethylene glycol; PEG-150）

5-Methylcytidine

C12 Spacer

5-Methyluridine

Spacer 18 （Hexaethylene glycol;PEG-282）

Puromycin

dSpacer

Pyrrolocytidine

rSpacer

4-Thiouridine

PC Spacer

2'-O-Methyl Ribonucleosides （2' OMe RNA）

Terminal Phosphates

2-Aminopurine-2'-O-methylriboside

5' Phosphate

5-Bromo-2'-O-methyluridine

3' Phosphate

3-Deaza-5-aza-2'-O-methylcytidine

5' Thiophosphate

2,6-Diaminopurine-2'-O-methylribose

3' Thiophosphate

5-Fluoro-2'-O-methyluridine

Inverted Oligonucleotides

5-Fluoro-4-O-TMP-2'-O-methyluridine

3'-3' Modifications

2'-O-Methylinosine

5'-5' Modifications

5-Methyl-2'-O-methylcytidine

Trimer Oligonucleltide Synthesis

5-Methyl-2'-O-methylthymidine

Cis-Syn Thymidine Dimer

Sugar Modified

Aracytidine