has functional parent guanine 2-aminopurines propane-1,3-diols penciclovir 2-amino-9-[4-hydroxy-3-(hydroxymethyl)butyl]-1,9-dihydro-6H-purin-6-one 253.117 253.25780 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 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. C10H15N5O3 CAS:39809-25-1 CHEBI:44870 CHEBI:7956 DrugBank:DB00299 Drug_Central:2079 HMDB:HMDB0014444 InChI=1S/C10H15N5O3/c11-10-13-8-7(9(18)14-10)12-5-15(8)2-1-6(3-16)4-17/h5-6,16-17H,1-4H2,(H3,11,13,14,18) JNTOCHDNEULJHD-UHFFFAOYSA-N KEGG:C07417 KEGG:D05407 LINCS:LSM-5587 Nc1nc2n(CCC(CO)CO)cnc2c(=O)[nH]1 PCV PDBeChem:PE2 PE2 PMID:3040998 Patent:US5075445 Reaxys:4501039 Wikipedia:Penciclovir chebi_ontology penciclovir penciclovirum