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-Ethyl-4-oxo-3,4-dihydrophthalazine-1-carboxylic acid
3-Ethyl-4-oxo-3,4-dihydrophthalazine-1-carboxamide
Methyl 3-ethyl-4-oxo-3,4-dihydrophthalazine-1-carboxylate
Methyl 3-oxo-4-(1-oxophthalazin-2(1H)-yl)butanoate
2-(4-Bromophenyl)phthalazin-1(2H)-one
2-(4-Methyl-1-oxophthalazin-2(1H)-yl)propanoic acid
1-Hydrazinyl-4-phenylphthalazine
1-Chloro-7-(trifluoromethyl)phthalazine
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
8-Chlorophthalazin-1(2H)-one
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
