6H-Dipyrido[2,3-e:3',2'-b][1,4]diazepin-6-one, 11-ethyl-5,11-dihydro-5-methyl-8-[2-[2-methyl-4-(1-oxido-2,6-dimethyl-4-pyridinyl)phenoxy]ethyl]- AIDS-220508 AIDS220508