Synonyms: Aciclovir, 9-(2-Hydroxyethoxymethyl)guanine, ACV, Acicloftal, Acivir, Acyclo V, Acycloguanosine, Acyclovir, Avirase, Axiluowei, BW 248U, BioVir I, BioVir II, Cargosil, Gerpevir, Herpevir, Lovir, NSC 645011, Novirus, Poviral, Rouz-Aciclovir, Vicclox, Vipral, Virax, Virless, Virorax, Virovir, Wellcome 248U, Zirax, Zovirax, Zyclir,2-Amino-1,9-dihydro-9-[(2-hydroxyethoxy)methyl]-6H-purin-6-one