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