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