14-((14-Amino-2-(4-aminobutyl)-11-(4-hydroxybenzyl)-5-(hydroxymethyl)-8-isobutyl-4,7,10,13-tetraoxo-3,6,9,12-tetraazapentadec-1-anoyl)amino)-11-sec-butyl-5-(hydroxymethyl)-8-methyl-4,7,10,13-tetraoxo-\t3,6,9,12-tetraazahexadecane-1,2,16-tricarboxylic acid AIDS-160470 AIDS160470 NSC631166 NSC640121