InChI=1S/C30H24O12S/c31-16-8-6-14(7-9-16)27-23(42-43(36,37)38)12-18-19(33)13-22-25(28(18)39-27)26-24-20(34)10-17(32)11-21(24)40-30(41-22,29(26)35)15-4-2-1-3-5-15/h1-11,13,23,26-27,29,31-35H,12H2,(H,36,37,38)