InChI=1S/C15H12O9S/c16-9-6-10-12(15(19)13(9)17)14(18)11(23-10)5-7-2-1-3-8(4-7)24-25(20,21)22/h1-4,6,11,16-17,19H,5H2,(H,20,21,22)