Atranorin is a chemical substance produced by some species of lichen.

It is a secondary metabolite belonging to a group of compounds known as depsides.

[3][4][5] Atranorin has analgesic, anti-inflammatory, antibacterial, antifungal, cytotoxic, antioxidant, antiviral, and immunomodulatory properties.

[5][4][6][7] In rare cases, people can have an allergic reaction to atranorin.

[8] This article about an organic compound is a stub.