TNP-351 is an antifolate. TNP-351, a dihydrofolate reductase (DHFR) inhibitor, has potent antitumor activity against not only leukemia cells but also solid tumor cells in vitro and in vivo[1].
References
[1] F Itoh ,et al. Novel pyrrolo[2,3-d]pyrimidine Antifolate TNP-351: Cytotoxic Effect on Methotrexate-Resistant CCRF-CEM Cells and Inhibition of Transformylases of De Novo Purine Biosynthesis. Cancer Chemother Pharmacol. 1994;34(4):273-9. DOI:10.1007/BF00686032
