6H-Dipyrido[2,3-e:3',2'-b][1,4]diazepin-6-one, 8-[2-[(2,3-dihydro-1,3-dimethyl-2-oxo-1H-benzimidazol-4-yl)oxy]ethyl]-11-ethyl-5,11-dihydro-5-methyl- AIDS-220418 AIDS220418