What is the difference between Imidazole and Pyrazole?

Imidazole and pyrazole are both five-membered aromatic heterocycles containing nitrogen atoms, but they differ in their structure and nitrogen arrangement. Imidazole has two nitrogen atoms at positions 1 and 3, while pyrazole has two adjacent nitrogen atoms at positions 1 and 2. This difference in nitrogen placement leads to distinct chemical properties and reactivities. Additionally, imidazole is often found in biological molecules, such as histidine, whereas pyrazole is commonly used in pharmaceuticals and agrochemicals.