N-[9-[(2-Hydroxyethoxy)methyl]-6-oxo-6,9-dihydro-1H-purin-2-yl]acetamide; Acyclovir USP Related Compound F ; N2-Acetyl Aciclovir ; N-Acetylacyclovir; N-[6,9-Dihydro-9-[(2-hydroxyethoxy)methyl]-6-oxo-1H-purin-2-yl]acetamide; 9-[(2-Hydroxyethoxy)methyl]-N2-acetylguanine; N2-Acetyl Acyclovir; N2-Acetyl Aciclovir; Aciclovir Impurity F; N-Acetyl acyclovir ( (As per USP Commenting Opening 51(6))); Acyclovir Related Compound F (USP)