InChI=1/C15H18N6O6/c1-7(17-12-14(24)18-15(25)21-19-12)13(23)20-16-6-8-4-9(26-2)11(22)10(5-8)27-3/h4-7,22H,1-3H3,(H,17,19)(H,20,23)(H2,18,21,24,25)/b16-6+/t7-/m1/s1/f/h17-18,20-21H 8E72CB1A5DD4CB55