6H-Dipyrido[2,3-e:3',2'-b][1,4]diazepin-6-one, 11-ethyl-5,11-dihydro-5-methyl-8-[2-[(1,2,3,4-tetrahydro-1,3-dimethyl-2-oxo-6-quinazolinyl)oxy]ethyl]- AIDS-220407 AIDS220407