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