Valtorcitabine

**Semantic type:** Nucleic Acid, Nucleoside, or Nucleotide|Pharmacologic Substance

**Definition:** An orally active prodrug of torcitabine (L-deoxycytidine), a nucleoside analog with activity against hepatitis B virus. Torcitabine is modified in vivo to its triphosphate form and acts as a competitive inhibitor of viral DNA polymerase.

**Synonyms:** - 3'-VAL-L-DC - L-Valine, 3'-Ester with 2'-Deoxycytidine - VALTORCITABINE