InChI=1S/C19H16O16S/c20-6-1-4-9(13(24)11(6)22)10-5(2-7(21)12(23)14(10)25)18(27)34-15-8(33-17(4)26)3-32-19(28)16(15)35-36(29,30)31/h1-2,8,15-16,19-25,28H,3H2,(H,29,30,31)