4-oxazolidinepropanoic acid, 2,5-dioxo-, methyl ester InChI=1/C7H9NO5/c1-12-5(9)3-2-4-6(10)13-7(11)8-4/h4H,2-3H2,1H3,(H,8,11 PROPANOIC ACID,3-(4-(OXAZOLIDINE,2,5-DIONE)),METHYL ESTER methyl 3-(2,5-dioxo-1,3-oxazolidin-4-yl)propanoate