AIDS-149581 AIDS149581 NSC684443 tert-Butyl 2-(((2-((4-((2-(((1-(tert-butoxycarbonyl)-2-pyrrolidinyl)carbonyl)amino)ethyl)amino)-9,10-dioxo-9,10-dihydro-1-anthracenyl)amino)ethyl)amino)carbonyl)-1-pyrrolidinecarboxylate