InChI=1/C14H20N4O4/c1-4-22-13(20)10-7(2)11(15-8(10)3)12(19)17-18-14(21)16-9-5-6-9/h9,15H,4-6H2,1-3H3,(H,17,19)(H2,16,18,21)/f/h16-18H FE980C9D00C8E4F1