InChI=1S/C30H20O13S/c31-15-10-17(32)21-19(11-15)41-30(14-6-8-16(9-7-14)43-44(37,38)39)29(36)24(21)23-20(42-30)12-18(33)22-25(34)26(35)27(40-28(22)23)13-4-2-1-3-5-13/h1-12,24,29,31-33,35-36H,(H,37,38,39)/t24?,29?,30-/m1/s1