1-[4-({[5-(6-Aminopurin-9-yl)(2-2,5-dihydrofuryl)]methoxy}(hydroxyphosphoryl)oxy)-5-(hydroxymethyl)oxolan-2-yl]-5-methyl-1,3-dihydropyrimidine-2,4-dione, N 2',3'-Didehydro-2',3'-dideoxyadenosine, phosphate diester with thymidine AIDS-005353 AIDS005353 D4AT 5',5-OPO3H2