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Pronunciation varies by accent · noun
(organic chemistry) Any tricyclic heterocycle formally derived from phenanthrene by replacing two carbon atoms with those of nitrogen.
Use diazaphenanthrene when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Diazaphenanthrene means (organic chemistry) Any tricyclic heterocycle formally derived from phenanthrene by replacing two carbon atoms with those of nitrogen.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use diazaphenanthrene where its definition matches the intended context.
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