酞嗪又称苯并-正二嗪或苯并哒嗪，是一种分子式为C8H6N2的杂环有机化合物。它与其他萘啶类异构体，包括喹喔啉、辛可林和喹唑啉等。
3-((8-Methoxy-4-oxo-3,4-dihydrophthalazin-1-yl)methyl)benzoic acid
2-(3-Ethyl-4-oxo-3,4-dihydrophthalazin-1-yl)acetic acid
2-(3-Methyl-4-oxo-3,4-dihydrophthalazin-1-yl)propanoic acid
1-(4-(4-Methylpiperidin-1-yl)phthalazin-1-yl)piperidine-4-carboxylic acid
Ethyl 2-(phthalazin-1-yl)hydrazinecarboxylate hydrochloride
5-Bromo-2-cyclohexylphthalazin-1(2H)-one
5-Bromo-2-ethylphthalazin-1(2H)-one
2-(4-Methyl-1-oxophthalazin-2(1H)-yl)acetic acid
5-Amino-2,3-dimethyl-2,3-dihydrophthalazine-1,4-dione
2-(p-Tolyl)phthalazin-1(2H)-one
4-Chloro-N,N-diethylphthalazin-1-amine
6-(Diethylamino)-2,3-dihydrophthalazine-1,4-dione
6-(Dimethylamino)-2,3-dihydrophthalazine-1,4-dione
1-(2-Benzylidenehydrazinyl)phthalazine
1,4-Dihydrazinylphthalazine
3-Methyl-4-oxo-3,4-dihydro-phthalazine-1-carboxylic acid
3-Methyl-4-oxo-3,4-dihydrophthalazine-1-carbohydrazide
6-Nitro-2,3-dihydrophthalazine-1,4-dione
1-Chloro-4-(3,4-dimethylphenyl)phthalazine
1-Chloro-4-(p-tolyl)phthalazine
4-Methylphthalazine-1-thiol
4-(4-Methoxyphenyl)phthalazin-1(2H)-one
