InChI=1S/C31H38O12/c1-13(2)6-8-16-10-17(11-21(34)28(16)42-31-27(39)25(37)26(38)29(43-31)30(40)41)15(5)23(35)22-20(33)12-19(32)18(24(22)36)9-7-14(3)4/h6-7,10-12,15,25-27,29,31-34,36-39H,8-9H2,1-5H3,(H,40,41)