英文别名2-Butenedioic acid, 2-hydroxy-, 1,4-diethyl ester, sodium salt (1:1), (2Z)-; diethyl 2-oxosuccinate sodium salt; oxalacetic acid diethyl ester sodium salt; diethyl oxalacetate sodium salt; sodium diethyl oxalacetate; diethyl oxaloacetate sodium salt; sodium 1,4-diethoxy-1,4-dioxobut-2-en-2-olate 
