InChI=1S/C25H22O12S/c1-34-21-6-11(2-3-16(21)27)24-15(10-35-38(31,32)33)14-4-12(5-19(30)25(14)37-24)20-9-18(29)23-17(28)7-13(26)8-22(23)36-20/h2-8,15,20,24,26-28,30H,9-10H2,1H3,(H,31,32,33)