1-(35-Amino-32-(2-amino-2-oxoethyl)-26-sec-butyl-14-(2-carboxyethyl)-8-(carboxymethyl)-2-(4-hydroxybenzyl)-5,29-bis(1-hydroxyethyl)-11-isobutyl-17,23-diisopropyl-20-methyl-4,7,10,13,16,19,22,25,28,31,\t34-undecaoxo-3,6,9,12,15,18,21,24,27,30,33-undecaazapentatriacont-1-anoyl)proline AIDS-146231 AIDS146231 NSC672428