3-((5-(2,4-Dioxo-3,4-dihydro-1(2H)-pyrimidinyl)tetrahydro-2-furanyl)methoxy)-8-methyl-3-oxido-7-oxo-2,4,6-trioxa-8-aza-3-phosphanon-1-yl dimethylcarbamate AIDS-149879 AIDS149879 NSC685576