InChI=1S/C15H18O9S/c1-20-10-6-13(23-15(16)7-10)14(24-25(17,18)19)5-9-2-3-11-12(4-9)22-8-21-11/h2-4,10,13-14H,5-8H2,1H3,(H,17,18,19)