InChI=1/C14H20N4O2/c1-3-7-17-12-10(15-11(16-12)9-5-6-9)13(19)18(8-4-2)14(17)20/h9H,3-8H2,1-2H3,(H,15,16)/f/h15H C4087FD093D7533E