Alanine, n-((s)-(((1r)-2-(6-amino-9h-purin-9-yl)-1-methylethoxy)methyl)phenoxyphosphinyl)-2-methyl-, 1-methylethyl ester
alanine, n-((s)-(((1r)-2-(6-amino-9h-purin-9-yl)-1-methylethoxy)methyl)phenoxyphosphinyl)-2-methyl-, 1-methylethyl ester