1,3-Oxazolidin-2-one 2-Oxazolidinone 2-Oxazolidone 4-27-00-02516 (Beilstein Handbook Reference) 497-25-6 AI3-38980 BRN 0106251 Carbamic acid, (2-hydroxyethyl)-, gamma-lactone EINECS 207-840-9 NSC 35382 O2-Oxazolidinone Oxazolidone