2-Oxobutanedioic acid 2-Ketosuccinic acid 328-42-7 alpha-Ketosuccinic acid 2-oxaloacetic acid 3-carboxy-3-oxopropanoic acid CHEBI:30744 keto-succinic acid Oxalacetic acid (8CI) Butanedioic acid, oxo- (9CI) O7753_SIGMA 2-Oxosuccinic acid OXALACETIC_ACID keto-oxaloacetate oxalacetate oxalacetic acid oxaloacetic acid Ketosuccinic acid NSC77688 OAA oxaloacetate Oxosuccinic acid Butanedioic acid, oxo- O4126_SIGMA Oxaloethanoic acid O9504_SIGMA Oxalacetic acid Hybri-Max Oxobutanedioic acid EINECS 206-329-8 NSC 77688 C00036 75662_FLUKA