The difference between Diazine and Pyrazine
When used as nouns, diazine means any six-membered aromatic heterocycle containing four carbon atoms, two nitrogen atoms and three double bonds, whereas pyrazine means a diazine in which the two nitrogen atoms are in the para- positions.
check bellow for the other definitions of Diazine and Pyrazine
-
Diazine as a noun (organic compound):
Any six-membered aromatic heterocycle containing four carbon atoms, two nitrogen atoms and three double bonds
-
Pyrazine as a noun (organic compound):
A diazine in which the two nitrogen atoms are in the para- positions; many of its derivatives are pharmaceuticals.