124832-26-4 124832-27-5 (HYDROCHLORIDE) AIDS-070982 AIDS070982 Acyclovir-valine BW256U87 L-Valine, 2-((2-amino-1,6-dihydro-6-oxo-9H-purin-9-yl)methoxy)ethyl ester VACV Valaciclovir, Valtrex Valacyclovir