InChI=1S/C19H22O5S/c20-18(14-8-7-11-16-9-3-1-4-10-16)15-19(24-25(21,22)23)17-12-5-2-6-13-17/h1-6,9-10,12-13,19H,7-8,11,14-15H2,(H,21,22,23)