InChI=1/C16H28N6O4/c1-5-6-7-22-13(17)12(14(24)20-16(22)26)21(8-10(2)3)9-11(23)19-15(25)18-4/h10H,5-9,17H2,1-4H3,(H,20,24,26)(H2,18,19,23,25)/f/h18-20H 515EAFCA13F650F6