【英文名称】
5-CHLORO-PYRAZINE-2-CARBOXYLIC ACID METHYL ESTER METHYL 5-CHLOROPYRAZINE-2-CARBOXYLATE PYRAZINECARBOXYLIC ACID, 5-CHLORO-,METHYL ESTER 5-Chloro-2-Pyrazinecarboxylic Acid Methyl Ester Methyl-5-chloro-2-pyrazinecarboxylate 5-Chloropyrazine-2-methylcarboxylate Methyl 5-Chloropiperazine-2-Carbonate 5-Chloro-2-methoxycarbonylpyrazine |