Imidazole is a planar 5-membered ring and a highly polar compound. It has been used extensively as a corrosion inhibitor. Imidazole is incorporated into many important biological molecules.

Axinysone A is a natural product.

α-Terpineol has antitumour anti-inflammatory and antimicrobial activities it inhibits the growth of tumour cells through a mechanism that involves inhibition of the NF-kappaB pathway.