InChI=1S/C17H22O8S/c1-26-8-10(7-18)14(9-5-3-2-4-6-9)24-17-13(21)11(19)12(20)15(25-17)16(22)23/h2-7,10-15,17,19-21H,8H2,1H3,(H,22,23)