Acyclovir Impurity 30;2'-O-α-L-Alanylacyclovir;Valacyclovir EP Impurity H Hydrochloride;9-[[2-(α-L-Alanyloxy)ethoxy]methyl]guanine Hydrochloride;Valacyclovir Impurity 8(Valacyclovir EP Impurity H Hydrochloride);Valacyclovir Impurity 8 H Hydrochloride (Valacyclovir EP Impurity H Hydrochloride);2-((2-amino-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy)ethyl L-alaninate hydrochloride;L-Alanine 2-[(2-ΑMino-1,6-dihydro-6-oxo-9H-purin-9-yl)Methoxy]ethyl Ester, Monohydrochloride;L-Alanine, 2-[(2-amino-1,6-dihydro-6-oxo-9H-purin-9-yl)methoxy]ethyl ester, monohydrochloride;Valaciclovir Hydrochloride Imp. H (EP) as HCl salt: 2-[(2-amino-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy]ethyl l-alaninate hydorchloride