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