1,3-Dihydro-2H-imidazol-2-one 1,3-Dihydroimidazol-2-one 2-Hydroxyimidazole 2H-Imidazol-2-one, 1,3-dihydro- (9CI) 4-Imidazolin-2-one 5-24-01-00299 (Beilstein Handbook Reference) 5918-93-4 AI3-27439 BRN 0105774 ENT-27439 IMIDAZOLINONE NSC 111046 SD 8591 Shell SD-8591