InChI=1S/C16H14O8S/c17-11-6-13(18)15-14(7-11)23-8-10(16(15)19)4-9-2-1-3-12(5-9)24-25(20,21)22/h1-3,5-7,10,17-18H,4,8H2,(H,20,21,22)