has role has functional parent hydroxybutyric acid metabolite triol butyric acid 2,2,4-trihydroxybutanoic acid 136.037 136.10330 2,2,4-trihydroxybutanoic acid 2,2,4-trihydroxybutyric acid A hydroxybutyric acid that is butyric acid substituted by hydroxy groups at positions 2, 2 and 4. C4H8O5 CHEBI:73967 IASCKZVQSNCRPV-UHFFFAOYSA-N InChI=1S/C4H8O5/c5-2-1-4(8,9)3(6)7/h5,8-9H,1-2H2,(H,6,7) OCCC(O)(O)C(O)=O chebi_ontology