InChI=1S/C19H16O17S/c20-5-1-3-7(11(24)9(5)22)8-4(2-6(21)10(23)12(8)25)17(28)34-19-15(36-37(30,31)32)14(33-16(3)27)13(26)18(29)35-19/h1-2,13-15,18-26,29H,(H,30,31,32)