InChI=1S/C19H18O12S/c20-3-4-28-11-8-13(22)16-15(9-11)31-19(18(24)17(16)23)10-1-2-12(21)14(7-10)29-5-6-30-32(25,26)27/h1-2,7-9,20-22,24H,3-6H2,(H,25,26,27)