Thiosalicylic acid is an analgesic and anti-inflammatory agent. It is used (in form of sodium salt) to relieve symptoms of acute gout, painful musculoskeletal conditions, osteoarthritis and rheumatic fever. The drug exerts its action by inhibiting prostaglandin synthesis. Thiosalicylic acid usage is associated with the risk of contact dermatitis.

Tecnazene, also known as 2,3,5,6-tetrachloro-1-nitrobenzene or tcnb, is a member of the class of compounds known as nitrobenzenes. Tecnazene is a dual acting pesticide. It is used as a plant growth regulator to suppress sprouts on potatoes during storage and as a fungicide to prevent dry rot on the tubers. Human exposure is primarily through ingestion of food residues, with an Acceptable Daily Intake level of 0.01 mg/kg of body weight according to FAO/WHO guidelines. Tecnazene is commercially available as granules and as dispersible dust formulations.