InChI=1S/C19H22O7S/c20-16-10-7-15(8-11-16)19(22)13-18(26-27(23,24)25)12-17(21)9-6-14-4-2-1-3-5-14/h1-5,7-8,10-11,18-20,22H,6,9,12-13H2,(H,23,24,25)