1H-Pyrrole-1-carboxamide, N,N'-methylenebis[2,5-dihydro-2,5-dioxo- 1H-Pyrrole-1-carboxamide, N,N'-methylenebis[2,5-dihydro-2,5-dioxy- 6970-97-4 Methylenebis(N-carbamylmaleimide) NSC19633