InChI=1S/C25H28O10/c1-12(2)3-7-15-17(27)9-14(10-18(15)28)5-4-13-6-8-16(26)19(11-13)34-25-22(31)20(29)21(30)23(35-25)24(32)33/h3-12,20-23,25-31H,1-2H3,(H,32,33)/b5-4+,7-3+