Adefovir

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

**Definition:** A nucleoside reverse transcriptase inhibitor analog of adenosine with activity against hepatitis B virus (HBV), herpes virus, and human immunodeficiency virus (HIV).

**Synonyms:** - 9-(2-Phosphonylmethoxyethyl)adenine - ADEFOVIR - GS-0393 - PMEA - Phosphonylmethoxyethyl-a