InChI=1S/C19H22O9S/c1-10-13-6-12(17(9-20)28-29(22,23)24)8-16(26-3)19(13)27-18(10)11-4-5-14(21)15(7-11)25-2/h4-8,10,17-18,20-21H,9H2,1-3H3,(H,22,23,24)