2-(4-hydroxy-2-oxopyrrolidin-1-yl)acetamide 2-(4-hydroxy-2-oxo-pyrrolidin-1-yl)acetamide 2-(4-hydroxy-2-oxo-1-pyrrolidinyl)acetamide 2-(4-hydroxy-2-keto-pyrrolidin-1-yl)acetamide 2-(4-hydroxy-2-oxo-pyrrolidin-1-yl)ethanamide 88929-35-5 62613-82-5 68567-97-5 4-Hydroxy-2-oxopyrrolidine-N-acetamide ST5412131 EU-0100933 Lopac0_000933 CGP-21690E ISF-2522 Neuractiv Neuromet Oriest 1-Pyrrolidineacetamide, 4-hydroxy-2-oxo- 4-Hydroxy-2-oxo-1-pyrrolidineacetamide 4-Hydroxypiracetam 5-21-12-00019 (Beilstein Handbook Reference) BRN 1529719 CCRIS 4221 CGP 21690E CT-848 Hydroxypiracetam ISF 2522 OXIRACETAM Oxiracetam [BAN:INN] Oxiracetamum [INN-Latin] (+-)-4-Hydroxy-2-oxo-1-pyrrolidineacetamide (+-)-Oxiracetam 1-Pyrrolidineacetamide, 4-hydroxy-2-oxo-, (+-)- (S)-4-Hydroxy-2-oxo-1-pyrrolidineacetamide 1-Pyrrolidineacetamide, 4-hydroxy-2-oxo-, (S)- O3011_SIGMA