1-(3-(Dimethylamino)propyl)-3-((1-methyl-5-nitro-1H-imidazol-2-yl)methylene)-2-pyrrolidinone 123794-07-0 2-Pyrrolidinone, 1-(3-(dimethylamino)propyl)-3-((1-methyl-5-nitro-1H-imidazol-2-yl)methylene)-