InChI=1S/C20H22O13S/c21-11(6-3-9-1-4-10(5-2-9)33-34(28,29)30)15-12(22)7-13(23)19(17(15)26)32-20-18(27)16(25)14(24)8-31-20/h1-2,4-5,7,14,16,18,20,22-27H,3,6,8H2,(H,28,29,30)