5ZAE:
reference: 6-Substituted Hexamethylene Amiloride (HMA) Derivatives as Potent and Selective Inhibitors of the Human Urokinase Plasminogen Activator for Use in Cancer., Buckley BJ, Aboelela A, Minaei E, Jiang LX, Xu Z, Ali U, Fildes K, Cheung CY, Cook SM, Johnson DC, Bachovchin DA, Cook GM, Apte M, Huang M, Ranson M, Kelso MJ, J Med Chem. 2018 Sep 27;61(18):8299-8320. doi: 10.1021/acs.jmedchem.8b00838. Epub, 2018 Sep 7. PMID: 30130401

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