InChI=1S/C30H26O12/c1-39-22-12-16(5-8-26(31)32)4-7-21(22)42-25(30(37)38)15-18-11-20(29(36)24(14-18)41-3)19-10-17(6-9-27(33)34)13-23(40-2)28(19)35/h4-15,35-36H,1-3H3,(H,31,32)(H,33,34)(H,37,38)/b8-5+,9-6+,25-15-