InChI=1/C17H27N5O2/c1-3-10-21-14-13(15(23)22(11-4-2)17(21)24)19-16(20-14)18-12-8-6-5-7-9-12/h12H,3-11H2,1-2H3,(H2,18,19,20)/f/h18-19H 81C52E27F52D0A5B