InChI=1/C17H19N3O4/c1-12-6-4-5-11-19(12)14-8-3-2-7-13(14)18-17(21)15-9-10-16(24-15)20(22)23/h2-3,7-10,12H,4-6,11H2,1H3,(H,18,21)/t12-/m0/s1/f/h18H 434AD4C3AFB3EC38