20,23,26,32-Tetrakis(4-aminobutyl)-35-((2-((((2-amino-3-hydroxypropanoyl)amino)acetyl)amino)propanoyl)amino)-11-(2-amino-2-oxoethyl)-2,14,29-tris(hydroxymethyl)-5-(1H-imidazol-5-ylmethyl)-8-methyl-4,7\t,10,13,16,19,22,25,28,31,34-undecaoxo-3,6,9,12,15,18,21,24,27,30,33-undecaazaoctatriacontane-1,38-dioic acid AIDS-142734 AIDS142734 NSC660410