phthalazine

noun
phthal·​azine | \(ˈ)thal+\

Definition of phthalazine 

: a crystalline base C8H6N2 that is the azine of the dialdehyde related to phthalic acid; 2,3-di-aza-naphthalene — compare hydralazine, luminol

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History and Etymology for phthalazine

International Scientific Vocabulary phthal- + azine

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