Synonyms: Pentanoicacid, 2,4-dioxo-, ethyl ester, ion(1-), sodium (9CI); Valeric acid, 2,4-dioxo-,ethyl ester, ion(1-), sodium (8CI); Valeric acid, 2,4-dioxo-, ethyl ester,sodium deriv. (7CI); Ethyl 2,4-dioxopentanoate sodium salt; Ethyl2,4-dioxovalerate sodium salt; Ethyl acetopyruvate sodium salt; Ethylacetylpyruvate sodium salt