InChI=1/C16H22N4O2/c1-9(2)5-10-6-12(22-20-10)14-18-11-7-16(3,4)8-17-15(21)13(11)19-14/h6,9H,5,7-8H2,1-4H3,(H,17,21)(H,18,19)/f/h17-18H C1A56557F4C6993B