InChI=1S/C21H16O13S/c22-8-3-12(23)11-6-16(34-35(30,31)32)20(33-15(11)4-8)10-5-14(25)19(27)17-9(10)1-7(21(28)29)2-13(24)18(17)26/h1-5,16,20,22-23,25,27H,6H2,(H,24,26)(H,28,29)(H,30,31,32)