InChI=1S/C19H22O8S/c1-3-4-5-6-12-9-16(21)26-18-13-7-8-19(2,11-25-28(22,23)24)27-15(13)10-14(20)17(12)18/h7-10,20H,3-6,11H2,1-2H3,(H,22,23,24)