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keto-acid
keto-acid n.
Brit. 
/ˌkiːtəʊˈasɪd/
, /ˌkiːtəʊˈasɪd/U.S. /ˌkidoʊˈæsəd/
/ˌkidoʊˈæsəd/ΚΠ
1911 Chem. Abstr. 5 3686 (heading) Preparation of amino acids from keto acid phenylhydrazones and aluminium amalgam.
1968 R. O. C. Norman Princ. Org. Synthesis vii. 237 A dibasic acid which, as a β-ketoacid, is readily decarboxylated by heat.
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