title: Natural occurrence of trans-gamma hydroxycrotonic acid in rat brain.
mesh_terms: D000818:Animals; D001923:Brain Chemistry; D008401:Gas Chromatography-Mass Spectrometry; D006885:Hydroxybutyrates / Q000032:analysis*; D051381:Rats; D011919:Rats, Inbred Strains
chemical_list: D006885:Hydroxybutyrates; C035142:4-hydroxy-2-butenoic acid