InChI=1/C14H20N4O2/c1-3-8-18-12-10(13(19)17(2)14(18)20)15-11(16-12)9-6-4-5-7-9/h9H,3-8H2,1-2H3,(H,15,16)/f/h15H 3570B88BA076A47A