5-Azacytidine is a potent growth inhibitor and a cytotoxic agent. 5-Azacytidine acts as a demethylating agent by inhibiting DNA methyltransferase (Dnmt), forming covalent adducts with cellular DNMT1 depleting enzyme activity. 5-Azacytidine also improves t

5-Fluorouracil is a potent antitumor agent that affects pyrimidine synthesis by inhibiting thymidylate synthetase thus depleting intracellular dTTP pools.

A naturally occurring nucleoside analog that possesses antitumor activity, also is a potent and efficacious readthrough agent.

Acelarin (NUC-1031) is a ProTide transformation and enhancement of the widely-used nucleoside analogue, gemcitabine.

CNDAC is the active component of sapacitabine.

Elacytarabine (CP-4055, CP4055) is a fatty acid derivative of cytarabine with potential antineoplastic activity.

Gemcitabine(Gemzar) belongs to the group of medicines called antimetabolites.

MT-DADMe-ImmA is an inhibitor of human 5'-methylthioadenosine phosphorylase (MTAP) with a Ki of 90 pM.

Raltitrexed(ZD1694), an inhibitor of thymidylate synthase, is an antimetabolite drug used in cancer chemotherapy.

RX-3117 is an orally available and potent DNA synthesis inhibitor with potential antineoplastic activity.

Sapacitabine is an orally bioavailable pyrimidine analogue prodrug with potential antineoplastic activity.

Tegafur (also known as Ftorafur) is a chemotherapeutic 5-FU prodrug used in the treatment of cancers; is a component of tegafur-uracil.

Tipiralacil(TPI) is a thymidine phosphorylase inhibitor (TPI). Tipiracil is one of the active components in TAS-102, which is an anticancer drug candidate currently in clinical trials.

Triapine is a potent ribonucleotide reductase inhibitor with broad spectrum antitumor activity by inhibiting DNA synthesis. Phase 2.

Plevitrexed (ZD 9331; BGC 9331) is an orally active and potent thymidylate synthase (TS) inhibitor with a Ki of 0.44 nM. Plevitrexed is taken up via the α-folate receptor as well as the reduced folate carrier. Plevitrexed is used for gastric cancer in clinical.

(Rac)-Plevitrexed ((Rac)-ZD 9331; (Rac)-BGC9331) is a racemate of Plevitrexed. Plevitrexed is an orally active and potent thymidylate synthase (TS) inhibitor.

Adenosine Dialdehyde, a purine nucleoside analogue, is an irreversible inhibitor of S-adenosylhomocysteine hydrolase (SAH) (IC50=40 nM). Adenosine Dialdehyde exhibits potent anti-tumor activity in vivo and can be used for the cancer research.

3'-Deoxyuridine-5'-triphosphate (3'-dUTP) is a nucleotide analogue that inhibits DNA-dependent RNA polymerases I and II. 3'-Deoxyuridine-5'-triphosphate strongly and competitively inhibits the incorporations of UTP into RNA with a Ki value of 2.0 μM.

6-Azathymine, a 6-nitrogen analog of thymine, is a potent D-3-aminoisobutyrate-pyruvate aminotransferase inhibitor. 6-Azathymine inhibits the biosynthesis of DNA, and has antibacterial and antiviral activities.

Fludarabine triphosphate (F-ara-ATP), the cytotoxic metabolite of Fludarabine phosphate, inhibits ribonucleotide reductase and DNA polymerase and ultimately leads to cellular apoptosis.

Adenosine 5′-monophosphoramidate sodium is an adenosine derivative and can be used as an intermediate for nucleotide synthesis. Adenosine 5′-monophosphoramidate has a significant effect on the accumulation of cyclic AMP.

Peldesine (BCX 34) dihydrochloride is a potent, competitive, reversible and orally active purine nucleoside phosphorylase (PNP) with IC50s of 36 nM, 5 nM, and 32 nM for human, rat, and mouse red blood cell (RBC) PNP, respectively. Peldesine dihydrochloride is also a T-cell proliferation with an IC50 of 800 nM. Peldesine dihydrochloride has the potential for cutaneous T-cell lymphoma, psoriasis and HIV infection treatment.