英文别名6-Bromo-3-chloro-pyrazine-2-carboxylic acid methyl ester; 6-Bromo-3-chloro-2-pyrazinecarboxylic acid methyl ester; 3-chloro-6-bromopyrazine-2-carboxylic acid methyl ester; Methyl 6-bromo-3-chloro-2-pyrazinecarboxylate; 2-Pyrazinecarboxylic acid, 6-bromo-3-chloro-, methyl ester 
