. . . "9-(4-hydroxybutyl)-N2-phenylguanine"@en . . . . . . . . "# Kaufman HE, Varnell ED, Wright GE, Xu H, Gebhardt BM, Thompson HW: Effect of 9-(4-hydroxybutyl)-N2-phenylguanine (HBPG), a thymidine kinase inhibitor, on clinical recurrences of ocular herpetic keratitis in squirrel monkeys. Antiviral Res. 1996 Dec;33(1):65-72. \"Pubmed\":http://www.ncbi.nlm.nih.gov/pubmed/8955854 # Gebhardt BM, Focher F, Eberle R, Manikowski A, Wright GE: Effect of combinations of antiviral drugs on herpes simplex encephalitis. Drug Des Devel Ther. 2009 Dec 29;3:289-94. \"Pubmed\":http://www.ncbi.nlm.nih.gov/pubmed/20054446"@en . . . . . . "9-(4-hydroxybutyl)-N2-phenylguanine is a solid. This compound belongs to the hypoxanthines. These are compounds containing the purine derivative 1H-purin-6(9H)-one. 9-(4-hydroxybutyl)-n2-phenylguanine is known to target thymidine kinase."@en . . . . . . . . . "experimental"@en . "HBPG"@en . . . . . . . . . . . . .