英文同义词: | METHYL 3-AMINO-6-CHLORO-5-HYDROXYPYRAZINE-2-CARBOXYLATE;methyl 3-amino-6-chloro-5-oxo-4,5-dihydropyrazine-2-carboxylate;3-amino-6-chloro-5-oxo-4,5-dihydro-pyrazine-2-carboxylic acid methyl ester;2-Pyrazinecarboxylic acid, 3-amino-6-chloro-4,5-dihydro-5-oxo-, methyl ester |