An azole antifungal agent containing an azole ring with two nitrogen atoms. An example is ketoconazole.

see azole drug.

Imidazole is a heterocyclic aromatic organic compound. It is further classified as an alkaloid. Imidazole refers to the parent compound C3H4N2, while imidazoles are a class of heterocycles with similar ring structure but varying substituents.

an organic base C3H4N2; a histamine inhibitor