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