InChI=1S/C19H24O6S/c20-17-10-6-16(7-11-17)9-13-19(25-26(22,23)24)14-18(21)12-8-15-4-2-1-3-5-15/h1-7,10-11,18-21H,8-9,12-14H2,(H,22,23,24)