InChI=1S/C19H18O14S/c20-6-1-5-9(2-7(6)21)32-10-3-8(22)12(16(25)13(10)14(5)23)19-18(27)17(26)15(24)11(33-19)4-31-34(28,29)30/h1-3,11,15,17-22,24-27H,4H2,(H,28,29,30)