InChI=1S/C16H14O8S/c1-8-11(17)6-14-15(16(8)19)12(18)7-13(23-14)9-2-4-10(5-3-9)24-25(20,21)22/h2-6,13,17,19H,7H2,1H3,(H,20,21,22)