InChI=1S/C24H21N3O6/c1-30-18-12-16(24(29)33-4)19(21(32-3)20(18)31-2)27-22(14-8-7-11-25-13-14)26-17-10-6-5-9-15(17)23(27)28/h5-13H,1-4H3