InChI=1/C18H30N4O4/c1-2-3-4-5-9-22-17(24)15(16(23)20-18(22)25)14-19-7-6-8-21-10-12-26-13-11-21/h14,19H,2-13H2,1H3,(H,20,23,25)/b15-14+/f/h20H D3523D85BD9F8D8C