InChI=1S/C22H22O10S/c1-12(11-31-33(26,27)28)4-6-15-19(29-2)10-20-17(21(15)30-3)9-16(22(25)32-20)14-7-5-13(23)8-18(14)24/h4-5,7-10,23-24H,6,11H2,1-3H3,(H,26,27,28)