Valacyclovir EP Impurity K ;

9-[(2-Hydroxyethoxy)methyl]-2-[[[(6-oxo-6,9-dihydro-1Hpurin-2-yl) amino] methyl]amino]-1,9-dihydro-6H-purin-6-one ;

C14H16N10O4 ;

MW: 388.34 ;