14-(((1-(2-((2-((((2-Amino-4-carboxybutanoyl)amino)acetyl)amino)propanoyl)amino)-4-methylpentanoyl)-2-pyrrolidinyl)carbonyl)amino)-8-(4-hydroxybenzyl)-11-(hydroxymethyl)-2-(1H-indol-3-ylmethyl)-5-isob\tutyl-4,7,10,13-tetraoxo-3,6,9,12-tetraazaheptadecane-1,17-dioic acid AIDS-134007 AIDS134007 NSC631172