17-Amino-11-(4-aminobutyl)-8-benzyl-14-(hydroxymethyl)-18-(1H-imidazol-4-yl)-2,5-bis(1H-indol-3-ylmethyl)-4,7,10,13,16-pentaoxo-3,6,9,12,15-pentaazaoctadecan-1-amide AIDS-150912 AIDS150912 NSC689422