1-Pyrrolidineacetamide, N-(1-(dimethylamino)ethylidene)-2-oxo- 92884-67-8 BRN 5529277 N,N-Dimethyl-N'-(pyrrolidon-2-yl-1-acetyl)acetamidine N-(1-(Dimethylamino)ethylidene)-2-oxo-1-pyrrolidineacetamide