carboxylic acid anion 4-guanidinobutanoate -1 144.07785 144.154 InChI=1S/C5H11N3O2/c6-5(7)8-3-1-2-4(9)10/h1-3H2,(H,9,10)(H4,6,7,8)/p-1 TUHVEAJXIMEOSA-UHFFFAOYSA-M chebi_ontology C5H10N3O2 A monocarboxylic acid anion that is the conjugate base of 4-guanidinobutanoic acid. 4-carbamimidamidobutanoate 4-carbamimidamidobutanoate N=C(N)NCCCC(=O)[O-] CHEBI:86392