6H-Dipyrido[3,2-b:2',3'-e][1,4]diazepin-6-one, 8-[2-[(2,3-dihydro-2-hydroxy-1-oxo-1H-isoindol-4-yl)oxy]ethyl]-11-ethyl-5,11-dihydro-5-methyl- AIDS-220390 AIDS220390