2'FdA^6(Nphth)prG AIDS-082144 AIDS082144 Phosphoric acid 5-(2-amino-6-oxo-1,6-dihydro-purin-9-yl)-3,4-dihydroxytetrahydrofuran-2-ylmethyl ester 4-fluoro-2-hydroxymethyl-5-{6-[(naphthalen-2-ylmethyl)-amino]-purin-9-yl}-tetrahydro-furan-3-yl ester