Methyl 2-oxo-1,2-dihydro-3-pyridinecarboxylate (CAS No.10128-91-3), it also can be called 3-pyridinecarboxylic acid, 1,2-dihydro-2-oxo-, methyl ester ; 3-pyridinecarboxylic acid, 2-hydroxy-, methyl ester ; Methyl 2-Hydroxynicotinate .