InChI=1S/C24H28N2O6/c1-30-16-7-4-6-15-17(16)26(20(28)32-3)24-10-9-21(14-23(24,29)19(27)31-2)8-5-12-25-13-11-22(15,24)18(21)25/h4-8,18,29H,9-14H2,1-3H3