sulfinic acid sulfur oxoanion sulfinate chebi_ontology -1 SHO2(-) Gmelin:239616 65.07274 CHEBI:9341 [H]S([O-])=O InChI=1S/H2O2S/c1-3-2/h3H,(H,1,2)/p-1 64.97027 HO2S KEGG:C01615 BUUPQKDIAURBJP-UHFFFAOYSA-M [SHO2](-) hydridodioxidosulfate(1-) Sulfinate