InChI=1S/C19H22O6S/c20-17(12-9-15-5-2-1-3-6-15)7-4-8-19(21)16-10-13-18(14-11-16)25-26(22,23)24/h1-3,5-6,10-11,13-14,19,21H,4,7-9,12H2,(H,22,23,24)