2113-93-1 2H-Pyrrol-2-one, 3-acetyl-1,5-dihydro-4-hydroxy- 3-Acetyl-1,5-dihydro-4-hydroxy-2H-pyrrol-2-one (9CI) 3-Acetyl-4-hydroxy-3-pyrrolin-2-one 3-Acetyltetramic acid 3-Pyrrolin-2-one, 3-acetyl-4-hydroxy- 4-21-00-05715 (Beilstein Handbook Reference) BRN 0120803 alpha-Acetyl-beta-hydroxy-delta(sup alpha,beta)-butyrolactam [German]