InChI=1S/C19H22O9S/c1-10-13-6-11(4-5-27-29(22,23)24)7-16(26-3)19(13)28-18(10)12-8-14(20)17(21)15(9-12)25-2/h6-10,18,20-21H,4-5H2,1-3H3,(H,22,23,24)