AIDS-082152 AIDS082152 Thiophosphoric acid O-[5-(6-amino-purin-9-yl)-4-fluoro-2-hydroxymethyl-tetrahydro-furan-3-yl] ester O'-(3,4-dihydroxy-5-{2-isobutylamino-6-[2-(4-nitro-phenyl)-ethoxy]-purin-9-yl}-tetrahydro-furan-2-ylmethyl) ester