HO 416b;N-(5,9,13-Triaza-16-aminohexadecan-1-yl)-1H-indole-3-acetamide;N-(16-Amino-5,9,13-triazahexadecane-1-yl)-1H-indole-3-acetamide;N-[4-[3-[3-(3-Aminopropylamino)propylamino]propylamino]butyl]-1H-indole-3-acetamide;N-[4-[[3-[[3-[(3-Aminopropyl)amino]propyl]amino]propyl]amino]butyl]-1H-indole-3-acetamide