InChI=1S/C19H18O15S/c20-3-8-13(24)17(28)19(34-35(29,30)31)18(33-8)9-4(21)1-6-10(14(9)25)15(26)11-7(32-6)2-5(22)12(23)16(11)27/h1-2,8,13,17-25,27-28H,3H2,(H,29,30,31)