英文同义词: | 2,3-DICYANO-5-METHYLPYRAZINE;5-METHYL-2,3-PYRAZINEDICARBONITRILE;Dicyanomethylpyrazine;5-METHYLPYRAZINE-2,3-DICARBONITRILE;2,3-DICYANO-5-METHYLPYRAZINE 99+%;2,3-Dicyano-5-methylpyrazine>2,3-Pyrazinedicarbonitrile, 5-methyl-;2,3-DICYANO-5-METHYLPYRAZINE ISO 9001:2015 REACH |