InChI=1S/C25H28O11/c1-11(2)3-6-14-15(26)7-12(8-16(14)27)4-5-13-9-17(28)18(29)10-19(13)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+,6-3+