InChI=1S/C15H16O9S/c1-20-10-5-11(23-15(16)7-10)6-13(24-25(17,18)19)9-2-3-12-14(4-9)22-8-21-12/h2-4,7,11,13H,5-6,8H2,1H3,(H,17,18,19)