InChI=1/C15H15N3O4/c1-2-8-22-11-5-3-4-10(9-11)14-16-15(21)12(17-18-14)6-7-13(19)20/h2-5,9H,1,6-8H2,(H,19,20)(H,16,18,21)/p-2/fC15H13N3O4/q-2 80861C9A131BD53C