InChI=1S/C19H16O17S/c20-5-1-3(16(25)26)7-8-4(18(29)33-12(5)7)2-6(21)13(14(8)36-37(30,31)32)34-19-11(24)9(22)10(23)15(35-19)17(27)28/h2-3,9-11,15,19,21-24H,1H2,(H,25,26)(H,27,28)(H,30,31,32)