InChI=1/C15H22N6O2/c1-10-11(8-21(4)19-10)7-20(3)9-13-12(14(22)23-5)6-17-15(16-2)18-13/h6,8H,7,9H2,1-5H3,(H,16,17,18)/f/h16H 40B42BBB3E8CC2FD