InChI=1S/C17H22O13S/c1-26-9-5-8(6-10(27-2)16(9)30-31(23,24)25)3-4-12(18)28-7-11-13(19)14(20)15(21)17(22)29-11/h3-6,11,13-15,17,19-22H,7H2,1-2H3,(H,23,24,25)