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