1-MeOEt-U-TP 130029-14-0 AIDS-001454 AIDS001454 Diphosphoric acid, monoanhydride with [[2-(3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)ethoxy]methyl]phosphonic acid N-(2-Diphosphorylphosphonylmethoxyethyl)-uracil