InChI=1S/C27H34O12/c1-11-12(2)24(38-23(11)13-6-7-15(34-3)16(8-13)35-4)14-9-17(36-5)19(28)18(10-14)37-27-22(31)20(29)21(30)25(39-27)26(32)33/h6-12,20-25,27-31H,1-5H3,(H,32,33)