CC1=CC(=O)[N-]S(=O)(=O)O1.[K+]
InChI=1S/C4H5NO4S.K/c1-3-2-4(6)5-10(7,8)9-3;/h2H,1H3,(H,5,6);/q;+1/p-1
WBZFUFAFFUEMEI-UHFFFAOYSA-M