Not available,2-((2-Amino-6-oxo-3,6-dihydro-9H-purin-9-yl)methoxy)-3-hydroxypropyl-1,1,2,3,3-d5 L-valinate hydrochloride,"Labeled Valganciclovir, intended for use as an internal standard for the quantification of Valganciclovir by GC- or LC-mass spectrometry.",Valganciclovir Stable Isotopes