Chemical Name: Diphosphoric acid, anhydride with [[(1R)-2-(6-amino-9H-purin-9-yl)-1-methylethoxy]methyl]phosphonic acid (1:1); Diphosphoric acid, monoanhydride with [[(1R)-2-(6-amino-9H-purin-9-yl)-1-methylethoxy]methyl]phosphonic acid (9CI); Diphosphoric acid, monoanhydride with [[2-(6-amino-9H-purin-9-yl)-1-methylethoxy]methyl]phosphonic acid, (R)-; PMPApp; Tenofovir diphosphate;