InChI=1S/C19H22O8S/c1-12(2)16(27-28(22,23)24)6-4-13(3)8-9-25-17-10-14(20)11-18-15(17)5-7-19(21)26-18/h5,7-8,10-11,16,20H,1,4,6,9H2,2-3H3,(H,22,23,24)