InChI=1/C19H19N3O5/c1-11-6-16(24)14(8-15(11)23)22-19-12-7-17(26-3)18(27-5-4-25-2)9-13(12)20-10-21-19/h6-10,23H,4-5H2,1-3H3/p-1/fC19H18N3O5/h23h/q-1 3BD90FB085768BB9