InChI=1S/C20H24O6S/c1-25-19(14-18(21)13-12-16-8-4-2-5-9-16)15-20(26-27(22,23)24)17-10-6-3-7-11-17/h2-11,19-20H,12-15H2,1H3,(H,22,23,24)