SEARCH Articles Figures Tables 2-Pyrazinecarbonyl azide 3- 2-pyrazinecarbonyl chloride 3-Chloro-2-pyrazinecarbonyl chloride 6-Phenyl-2-pyrazinecarbonyl chloride Pyrazinecarbohydrazides from pyrazinecarbonyl halides Pyrazinecarbonyl azides reactions Pyrazinecarbonyl halides Pyrazinecarbonyl halides reactions Pyrazinecarboxamides from pyrazinecarbonyl halides Pyrazinecarboxylic esters from pyrazinecarbonyl halides