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Definition of Quinoxaline
1. n. Any one of a series of complex nitrogenous bases obtained by the union of certain aniline derivatives with glyoxal or with certain ketones.
Definition of Quinoxaline
1. Noun. (organic compound) A bicyclic heterocycle consisting of a benzene ring fused to that of pyrazine ¹
¹ Source: wiktionary.com
Medical Definition of Quinoxaline
1.