InChI=1S/C26H40O11/c1-2-3-6-9-16(27)11-14-25-15-12-17(28)26(25,37-25)13-8-5-4-7-10-18(29)35-24-21(32)19(30)20(31)22(36-24)23(33)34/h11,14,16,19-22,24,27,30-32H,2-10,12-13,15H2,1H3,(H,33,34)/b14-11+