InChI=1/C18H20N4O4/c1-4-25-16-13(18(24)26-5-2)9-22-15(16)17(19-10-20-22)21-12-7-6-11(3)14(23)8-12/h6-10,23H,4-5H2,1-3H3,(H,19,20,21)/f/h21H E9079364A9E45FE2