InChI=1/C16H27N5O2/c1-11-10-14(21(19-11)16(3,4)5)18-15(23)20-8-6-13(7-9-20)17-12(2)22/h10,13H,6-9H2,1-5H3,(H,17,22)(H,18,23)/f/h17-18H EB3B3828F0FD7858