InChI=1S/C31H38O12/c1-15(2)4-7-19-12-20(22(34)13-24(19)42-31-28(39)26(37)27(38)29(43-31)30(40)41)25(36)23(35)11-17-6-9-21(33)18(10-17)8-5-16(3)14-32/h4-6,9-10,12-13,23,26-29,31-35,37-39H,7-8,11,14H2,1-3H3,(H,40,41)