InChIKey=MIKWSFVAMDZCID-SWFGUFHISA-M
InChI=1S/C19H14O7S.Na.H/c20-14-7-5-11(9-16(14)22)19(12-6-8-15(21)17(23)10-12)13-3-1-2-4-18(13)27(24,25)26;;/h1-10,20,22-23H,(H,24,25,26);;/q;+1;/p-1/b19-12+;;
S(c1c(/C(=C2\C=C(O)C(C=C2)=O)c2cc(c(O)cc2)O)cccc1)([O-])(=O)=O.[Na+]