InChI=1S/C21H22O13S/c1-8-18(25)19(26)20(27)21(31-8)32-10-5-12(23)17-13(24)7-14(33-16(17)6-10)9-2-3-11(22)15(4-9)34-35(28,29)30/h2-6,8,14,18-23,25-27H,7H2,1H3,(H,28,29,30)