(S)-2-((2-amino-6-oxo-3H-purin-9(6H)-yl)methoxy)ethyl 2-(((benzyloxy)carbonyl)amino)-3-methylbutanoate;(2-[(2-Amino-6-oxo-1,6-dihydro-9H-purin-9-yl)-methoxy]ethyl N-[(Benzyloxy)carbonyl]-L-valinate; Valacyclovir Related Compound E; Valaciclovir EP Impurity E; Valaciclovir USP Related Compound E
(S)-2-((2-amino-6-oxo-3H-purin-9(6H)-yl)methoxy)ethyl 2-(((benzyloxy)carbonyl)amino)-3-methylbutanoate;(2-[(2-Amino-6-oxo-1,6-dihydro-9H-purin-9-yl)-methoxy]ethyl N-[(Benzyloxy)carbonyl]-L-valinate; Valacyclovir Related Compound E; Valaciclovir EP Impurity E; Valaciclovir USP Related Compound E