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