InChI=1S/C27H34O10/c1-13(8-7-9-14(2)12-19(28)29)10-11-18-15(3)16(4)23(35-6)24(17(18)5)36-27-22(32)20(30)21(31)25(37-27)26(33)34/h7-12,20-22,25,27,30-32H,1-6H3,(H,28,29)(H,33,34)/b9-7+,11-10+,13-8+,14-12-