Telbivudine-d4 is deuterium labeled Telbivudine. Telbivudine (Epavudine), an orally active thymidine nucleoside analog, is a potent antiviral inhibitor of hepatitis B virus (HBV) replication[1].
References
[1] Russak EM, et al. Impact of Deuterium Substitution on the Pharmacokinetics of Pharmaceuticals. Ann Pharmacother. 2019;53(2):211-216. DOI:10.1177/1060028018797110 [2] Kim JW, et al. Telbivudine: a novel nucleoside analog for chronic hepatitis B. Ann Pharmacother. 2006;40(3):472-478. DOI:10.1345/aph.1G027 [3] Zobel T, et al. Telbivudine Reduces Parvovirus B19-Induced Apoptosis in Circulating Angiogenic Cells. Viruses. 2019;11(3):227. Published 2019 Mar 6. DOI:10.3390/v11030227