glycolate thioglycolic acid thioglycolate(1-) InChI=1S/C2H4O2S/c3-2(4)1-5/h5H,1H2,(H,3,4)/p-1 thioglycolate sulfanylacetate Gmelin:324390 CHEBI:26966 -1 C2H3O2S mercaptoacetate thioglycollate CHEBI:30066 chebi_ontology [O-]C(=O)CS 90.98592 91.11002 CHEBI:15236 Beilstein:3903690 CWERGRDVMFNCDR-UHFFFAOYSA-M monocarboxylic acid anion thioglycolate(2-)