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。
4-Oxo-3,4-dihydrophthalazine-1-carbohydrazide
Methyl 4-oxo-3,4-dihydrophthalazine-1-carboxylate
4-Oxo-3-phenyl-3,4-dihydrophthalazine-1-carboxylic acid
6-(tert-Butyl)-8-fluorophthalazin-1(2H)-one
1-Chloro-4-methoxyphthalazine
1-Chloro-4-phenylphthalazine
2-Fluoro-5-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)benzohydrazide
2-Methoxy-5-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)benzoic acid
4-Phenylphthalazine-1-thiol
2-(4-Benzyl-1-oxophthalazin-2(1H)-yl)acetic acid
Ethyl 2-(3-(2-amino-2-thioxoethyl)-4-oxo-3,4-dihydrophthalazin-1-yl)acetate
Ethyl 2-(3-(cyanomethyl)-4-oxo-3,4-dihydrophthalazin-1-yl)acetate
4-Chloro-N-methylphthalazin-1-amine
4-(7-Chlorophthalazin-1-yl)morpholine
3-Methyl-4-thioxo-3,4-dihydrophthalazine-1-carboxylic acid
Phthalazine-1-carboxylic acid
1-Chloro-4-(4-methylthiophen-2-yl)phthalazine
4-(4-Chlorophenyl)phthalazin-1(2H)-one
2-Benzyl-4-(5-mercapto-1,3,4-oxadiazol-2-yl)phthalazin-1(2H)-one
1,2,3,4-Tetrahydrophthalazine
1-Chlorophthalazine hydrochloride
2-(3-Ethyl-4-oxo-3,4-dihydrophthalazin-1-yl)propanoic acid
Sodium 5-amino-1,4-dioxo-3,4-dihydro-1H-phthalazin-2-ide hydrate(2:2:1)
4-(4-Methylthiophen-2-yl)phthalazin-1(2H)-one
