英文别名4-Chloro-6-Methoxy-pyridine-2-carboxylic acid; 2-Pyridinecarboxylic acid, 4-chloro-6-methoxy-; 4-chloro-6-methoxypyridine-2-carboxylic acid; 4-chloro-6-methoxy-pyridine-2-carboxylate; 4-chloro-6-methoxy-pyridin-2-carboxylic acid; 2-Pyridinecarboxylic acid,4-chloro-6-methoxy