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