Term: penciclovir
IPA: pɛnˈsaɪ.kloʊˌvɪɹ

==English==
[[File:2-amino-9-(4-hydroxy-3-(hydroxymethyl)butyl)-1H-purin-6(9H)-one 200.svg|thumb|Molecular structure of '''penciclovir''']]
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===Etymology===
From {{af|en|isopentyl|alt1=(iso)pen(tyl)|-ciclovir|t2=bicyclic heterocycle compound}}.

===Pronunciation===
* {{IPA|en|/pɛnˈsaɪ.kloʊˌvɪɹ/|a=GA}}

===Noun===
{{en-noun|-}}

# {{lb|en|pharmaceutical drug}} A [[guanine]] [[analogue]] [[antiviral]] [[drug]] C<sub>10</sub>H<sub>15</sub>N<sub>5</sub>O<sub>3</sub> that is used mostly [[topi