from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A compound containing a benzene ring in which two of the carbon atoms have been replaced by nitrogen atoms, especially any of three isomers having the composition C4H4N2.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any six-membered aromatic heterocycle containing four carbon atoms, two nitrogen atoms and three double bonds
diaz(o) + -ine2.(American Heritage® Dictionary of the English Language, Fourth Edition)
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