6H-Dipyrido[2,3-e:3',2'-b][1,4]diazepin-6-one, 8-[2-[[2-methyl-2,3-dihydro-3-oxo-1,2-benzisoxazol-5-yl]oxy]ethyl]-11-ethyl-2-fluoro-5,11-dihydro-4-methyl- AIDS-220417 AIDS220417