AIDS-131898 AIDS131898 Benzyl (3-(2-(4-(((6-(((4-(2-(5-((((benzyloxy)carbonyl)amino)carbonyl)-2,4-dioxo-3,4-dihydro-1(2H)-pyrimidinyl)ethyl)-1-piperazinyl)carbonyl)amino)hexyl)amino)carbonyl)-1-piperazinyl)ethyl)-2,6-dioxo-\t1,6-dihydro-5(2H)-pyrimidinyl)carbonylcarbamate NSC624904