Intermediate Tree Nodes
Pyridazines and derivatives Imidolactams Benzenoids Heteroaromatic compounds Monocarboxylic acids and derivatives Hydrazones Carboxylic acids Azacyclic compounds Organic oxides Hydrocarbon derivatives Carbonyl compounds
Aromatic heteropolycyclic compounds
Phthalazine - Pyridazine - Benzenoid - Imidolactam - Heteroaromatic compound - Azacycle - Monocarboxylic acid or derivatives - Hydrazone - Carboxylic acid - Carboxylic acid derivative - Hydrocarbon derivative - Organic oxide - Organic oxygen compound - Organic nitrogen compound - Organooxygen compound - Organonitrogen compound - Carbonyl group - Aromatic heteropolycyclic compound
This compound belongs to the class of organic compounds known as phthalazines. These are compounds containing a phthalazine moiety, which consists of a benzene ring fused to a pyridazine, forming a 2,3-benzodiazine skeleton.