InChI=1S/C19H20O15S/c20-6-2-1-5(3-7(6)21)11(22)9-13(24)10(15(26)17(28)14(9)25)19-18(29)16(27)12(23)8(34-19)4-33-35(30,31)32/h1-3,8,12,16,18-21,23-29H,4H2,(H,30,31,32)