InChI=1S/C14H16N6O3/c15-14-19-11-10(12(21)20-14)18-9(6-17-11)5-16-8-3-1-7(2-4-8)13(22)23/h1-4,9,16,18H,5-6H2,(H,22,23)(H4,15,17,19,20,21)/p-1/t9-/m0/s1