InChI=1S/C25H26O11/c1-11(10-26)2-5-15-16(27)6-13(7-17(15)28)18-8-12-3-4-14(9-19(12)35-18)34-25-22(31)20(29)21(30)23(36-25)24(32)33/h2-4,6-9,20-23,25-31H,5,10H2,1H3,(H,32,33)/b11-2+