InChI=1S/C21H22O12S/c22-8-14-19(33-34(28,29)30)17(26)18(27)21(32-14)16-11(24)6-10(23)15-12(25)7-13(31-20(15)16)9-4-2-1-3-5-9/h1-6,13-14,17-19,21-24,26-27H,7-8H2,(H,28,29,30)