الإنجليزية - الإنجليزية
تعريف diazine في الإنجليزية الإنجليزية القاموس.
- Any six-membered aromatic heterocycle containing four carbon atoms, two nitrogen atoms and three double bonds
- {i} isomeric compound (Chemistry)
- an aromatic compound in which two CH groups of a benzene ring have been replaced with N; especially the three isomers of formula C{4}H{4}N{2}