InChI=1S/C15H14O8S/c16-10-7-13(18)15(14(19)8-10)12(17)6-3-9-1-4-11(5-2-9)23-24(20,21)22/h1-2,4-5,7-8,16,18-19H,3,6H2,(H,20,21,22)