AIDS-131897 AIDS131897 Benzyl (3-(16-(5-((((benzyloxy)carbonyl)amino)carbonyl)-2,4-dioxo-3,4-dihydro-1(2H)-pyrimidinyl)-3,14-bis(2-hydroxyethyl)-4,13-dioxo-3,5,12,14-tetraazahexadec-1-yl)-2,6-dioxo-1,6-dihydro-5(2H)-pyrimid\tinyl)carbonylcarbamate NSC624903