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