InChI=1S/C24H26N2O6/c1-14(25-22(27)17-8-6-7-9-18(17)24(29)32-5)23(28)26-11-10-16-12-20(30-3)21(31-4)13-19(16)15(26)2/h6-9,12-14H,2,10-11H2,1,3-5H3,(H,25,27)