from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A bicyclic heterocycle consisting of a benzene ring fused to that of pyrazine.
from the GNU version of the Collaborative International Dictionary of English
- n. Any one of a series of complex nitrogenous bases obtained by the union of certain aniline derivatives with glyoxal or with certain ketones.
Sorry, no etymologies found.