InChI=1S/C30H52O13/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-20(31)40-18-19-21(32)26(25(36)29(39)41-19)42-30-24(35)22(33)23(34)27(43-30)28(37)38/h9-10,19,21-27,29-30,32-36,39H,2-8,11-18H2,1H3,(H,37,38)/b10-9+