InChI=1/C15H25N5O/c1-11(2)6-7-12-10-13(21)18-15(17-12)19-14(16)20-8-4-3-5-9-20/h10-11H,3-9H2,1-2H3,(H3,16,17,18,19,21)/f/h18H,16H2 89AC2E66C67536CB