InChI=1S/C22H22O12S/c1-31-13-8-14-16(11(23)7-12(33-14)10-5-3-2-4-6-10)19(25)17(13)22-21(27)20(26)18(24)15(34-22)9-32-35(28,29)30/h2-8,15,18,20-22,24-27H,9H2,1H3,(H,28,29,30)