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