136978-97-7 40876-98-0 49635-95-2 52980-17-3 58333-46-3 63277-17-8 86284-65-3 86387-68-0 AI3-04820 Butanedioic acid, oxo-, diethyl ester, ion(1-), sodium Diethyl oxalacetate sodium salt Diethyl oxaloacetate, monosodium salt Diethyl oxobutanedioate ion(1-) sodium Diethyl sodiooxalacetate Diethyl sodium oxalacetate EINECS 255-122-9 NSC 126906 Oxalacetic acid diethyl ester sodium salt Oxalacetic acid, diethyl ester, sodium deriv. Sodium diethyl oxaloacetate Sodium diethyl oxobutanedioate