InChI=1S/C25H28O10/c1-12(2)3-10-16-17(27)11-14(7-4-13-5-8-15(26)9-6-13)18(28)22(16)34-25-21(31)19(29)20(30)23(35-25)24(32)33/h3-12,19-21,23,25-31H,1-2H3,(H,32,33)/b7-4+,10-3+