InChI=1S/C25H34O11/c1-13(8-9-33-15-6-4-14-5-7-20(28)34-17(14)10-15)16(27)11-19(25(2,3)32)36-24-23(31)22(30)21(29)18(12-26)35-24/h4-8,10,16,18-19,21-24,26-27,29-32H,9,11-12H2,1-3H3/b13-8+