InChI=1S/C25H28O11/c1-11(2)3-5-15-16(27)7-12(4-6-14-17(28)9-13(26)10-18(14)29)8-19(15)35-25-22(32)20(30)21(31)23(36-25)24(33)34/h3-4,6-10,20-23,25-32H,5H2,1-2H3,(H,33,34)/b6-4+