AIDS-146274 AIDS146274 Benzyl 2-((2,14-dibenzyl-8-(4-((tert-butoxycarbonyl)amino)butyl)-5-(1-tert-butoxyethyl)-11-(1H-indol-3-ylmethyl)-4,7,10,13,16-pentaoxo-18-phenyl-17-oxa-3,6,9,12,15-pentaazaoctadec-1-anoyl)amino)cyclop\tentanecarboxylate NSC672653