InChI=1/C18H26N6O4/c1-5-28-13(25)11-22-6-8-23(9-7-22)17-19-15-14(24(17)10-12(2)3)16(26)20-18(27)21(15)4/h2,5-11H2,1,3-4H3,(H,20,26,27)/f/h20H 88EA5C890F6C6BE2