1471-94-9 Acetoacetamide, N,N'-ethylenebis- Butanamide, N,N'-1,2-ethanediylbis[3-oxo- Di-Acetoacetylethylenediamine Ethylenediamine-N,N'-bis(acetoacetamide) Ethylenediaminebisacetoacetamide N,N'-Bis(acetoacetyl)ethylenediamine NSC71996