InChI=1S/C25H28O11/c1-11(2)3-7-14-15(26)9-12(10-16(14)27)4-5-13-6-8-17(19(29)18(13)28)35-25-22(32)20(30)21(31)23(36-25)24(33)34/h3-11,20-23,25-32H,1-2H3,(H,33,34)/b5-4+,7-3+