1-Acetyl-3-methylurea 4-04-00-00207 (Beilstein Handbook Reference) 623-59-6 AI3-52260 Acetamide, N-((methylamino)carbonyl)- BRN 1753728 N-Methyl-N'-acetylurea NSC 7608 Urea, 1-acetyl-3-methyl-