Acyclovir

**Definition:** A GUANOSINE analog that acts as an antimetabolite. Viruses are especially susceptible. Used especially against herpes.

**Tree numbers:** - D03.633.100.759.758.399.454.250

**Synonyms:** - Acycloguanosine - Aciclovir - 9-((2-Hydroxyethoxy)methyl)guanine