2-amino-9-(4-hydroxy-3-(hydroxymethyl)butyl)-3H-purin-6(9H)-one-D4;2-Amino-1,9-dihydro-9-[4-hydroxy-3-(hydroxymethyl)butyl]-6H-purin-6-one-D4; Denavir-D4; Penciclovir-D4;
2-amino-9-(4-hydroxy-3-(hydroxymethyl)butyl)-3H-purin-6(9H)-one-D4;2-Amino-1,9-dihydro-9-[4-hydroxy-3-(hydroxymethyl)butyl]-6H-purin-6-one-D4; Denavir-D4; Penciclovir-D4;