英文别名methyl 5-amino-4-methylpyridine-2-carboxylate; 5-AMINO-4-METHYL-2-PYRIDINECARBOXYLIC ACID METHYL ESTER; methyl 5-amino-4-methyl-pyridine-2-carboxylate; 5-Amino-4-methyl-pyridine-2-carboxylic acid methyl ester; 2-Pyridinecarboxylic acid, 5-amino-4-methyl-, methyl ester