InChI=1S/C25H28O11/c1-11(2)3-8-15-17(27)9-13(18(28)19(15)29)5-4-12-6-7-14(10-16(12)26)35-25-22(32)20(30)21(31)23(36-25)24(33)34/h3-7,9-10,20-23,25-32H,8H2,1-2H3,(H,33,34)/b5-4+