InChI=1S/C25H29NO8/c1-26(2)11-5-8-17-16-7-4-3-6-14(16)13-32-19-10-9-15(12-18(17)19)33-25-22(29)20(27)21(28)23(34-25)24(30)31/h3-4,6-10,12,20-23,25,27-29H,5,11,13H2,1-2H3,(H,30,31)/b17-8-