17-(Acetylamino)-5,8-bis(4-((tert-butoxycarbonyl)amino)butyl)-14-(3-tert-butoxy-3-oxopropyl)-11-(4-(hydroxy(oxido)amino)benzyl)-22,22-dimethyl-4,7,10,13,16,20-hexaoxo-21-oxa-3,6,9,12,15-pentaazatricos\tan-1-oic acid AIDS-146272 AIDS146272 NSC672651