InChI=1S/C26H34O12/c1-6-10(2)24(33)35-17-8-12(4)15(37-26-21(30)19(28)20(29)22(38-26)23(31)32)9-14(27)11(3)7-16-18(17)13(5)25(34)36-16/h6-7,14-22,26-30H,4-5,8-9H2,1-3H3,(H,31,32)/b10-6-,11-7+