Synonyms: Benzenepropanoicacid, a-(ethoxyhydroxymethylene)-b-(hydroxyimino)-, ethyl ester,monosodium salt (9CI); Hydrocinnamic acid, a-(ethoxyhydroxymethylene)-b-oxo-, ethyl ester, b-oxime, sodium salt (8CI); Sodium,[(2-benzoyl-2-carboxy-1-ethoxyvinyl)oxy]-, ethyl ester, oxime (7CI)