InChI=1/C18H22N4O4/c1-10-4-7-13(19-11(2)23)14(8-10)20-15(24)9-22-16(25)18(3,12-5-6-12)21-17(22)26/h4,7-8,12H,5-6,9H2,1-3H3,(H,19,23)(H,20,24)(H,21,26)/t18-/m0/s1/f/h19-21H	5471F2B70B169879