29-Amino-26-(4-aminobutyl)-8-(2-amino-2-oxoethyl)-17-(4-hydroxybenzyl)-11-(1-hydroxyethyl)-14,20-bis(hydroxymethyl)-5-(1H-imidazol-4-ylmethyl)-2-isobutyl-23-methyl-4,7,10,13,16,19,22,25,28-nonaoxo-3,6\t,9,12,15,18,21,24,27-nonaazahentriacontane-1,31-dioic acid AIDS-134576 AIDS134576 NSC633079