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