英文别名methyl 5-methoxy-6-nitropyridine-2-carboxylate; 2-Pyridinecarboxylic acid, 5-methoxy-6-nitro-, methyl ester; Methyl 5-methoxy-6-nitro-2-pyridinecarboxylate; 5-Methoxy-6-nitropyridine-2-carboxylic acid methyl ester; methyl 5-methoxy-6-nitro-pyridine-2-carboxylate