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