InChI=1S/C16H14O9S/c1-23-13-3-2-8(4-10(13)17)14-7-12(19)16-11(18)5-9(6-15(16)24-14)25-26(20,21)22/h2-6,14,17-18H,7H2,1H3,(H,20,21,22)/t14-/m0/s1