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