Methyl 3-amino-6-chloropyrazine-2-carboxylate

Methyl 2-amino-5-chloropyrazine-3-carboxylate

3-aMino-6-chloropyrazine-2-carboxylate Methyl ester

3-Amino-6-chloro-2-pyrazinecarboxylic acid methyl ester

3-Amino-6-chloro-pyrazine-2-carboxylic acid methyl ester

2-Pyrazinecarboxylic acid, 3-amino-6-chloro-, methyl ester