InChI=1/C21H21N3O5/c1-24(2)11-5-6-12-15(7-11)29-21(23)14(9-22)17(12)13-8-16-19(28-10-27-16)20(26-4)18(13)25-3/h5-8,17H,10,23H2,1-4H3/t17-/m1/s1 129134FAE7821FE6