InChI=1/C19H28N4O4/c1-4-10-22-16-14(17(24)23(11-5-2)19(22)26)20-15(21-16)12-6-8-13(9-7-12)18(25)27-3/h12-13H,4-11H2,1-3H3,(H,20,21)/f/h20H BE225BC3CC5C2CA5