Term Name:	penciclovir
Synonyms:	2-amino-9-[4-hydroxy-3-(hydroxymethyl)butyl]-1,9-dihydro-6H-purin-6-one, 9-(4-hydroxy-3-(hydroxymethyl)butyl)guanine, 9-(4-hydroxy-3-hydroxymethylbut-1-yl)-guanine, 9-[2-hydroxy-1-(hydroxymethyl)-ethoxymethyl]guanine, 9-[4-hydroxy-3-(hydroxymethyl)but-1-yl]guanine, PCV, PE2, penciclovir, penciclovirum
Definition:	A member of the class of 2-aminopurines that is guanine in which the hydrogen at position 9 is substituted by a 4-hydroxy-3-(hydroxymethyl)but-1-yl group. An antiviral drug, it is administered topically for treatment of herpes labialis. A prodrug, famciclovir, is used for oral administration.
Ontology:	ChEBI [CHEBI:7956]  ( EBI )