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