InChI=1/C18H15N3O5/c1-4-10-7-15(22)26-14-8-11(5-6-12(10)14)25-17-13(9-19)16(23)20(2)18(24)21(17)3/h5-8H,4H2,1-3H3 E267CA4EDFF9BB9D