InChI=1/C18H20N4O4/c1-11-7-8-14(10-16(11)17(19)23)20-18(24)21(3)12(2)13-5-4-6-15(9-13)22(25)26/h4-10,12H,1-3H3,(H2,19,23)(H,20,24)/t12-/m1/s1/f/h20H,19H2	5596C34193A91A3A