6-(4-Aminobutyl)-30-(aminocarbonyl)-3-((2-amino-4-methylpentanoyl)amino)-24-(2-amino-2-oxoethyl)-15-(4-hydroxybenzyl)-21-(1-hydroxyethyl)-12,18-bis(hydroxymethyl)-27-(1H-imidazol-4-ylmethyl)-9,32-dime\tthyl-4,7,10,13,16,19,22,25,28-nonaoxo-5,8,11,14,17,20,23,26,29-nonaazatritriacontan-1-oic acid AIDS-134571 AIDS134571 NSC633073