英文别名:
2-Pyrazinecarboxylic acid, 3-methyl-;Pyrazinecarboxylic acid, 3-methyl-;3-METHYLPYRAZINE-2-CARBOXYLIC ACID;2-Methylpyrazine-3-carboxylic acid;3-Methylpyrazinoic acid;3-Methylpyrazine-2-carboxylic acid ,97%;3-methyl-2-Pyrazinecarboxylicacid;2-Methyl-3-carboxylpyrazin