Morpholine salicylate is a derivative of salicylic acid. It is a non-steroidal anti-inflammatory drug and was marketed under a tradename Retarcyl, Dolical and Deposal.

Eseridine (Geneserine) has been known for many years as an anticholinergic agent and used in therapy as a gastrointestinal antispastic. Eseridine salicylate is an inhibitor of cholinesterase activity that has been given by mouth in preparations for dyspepsia and other gastric disorders. It has also been studied for the treatment of Alzheimer’s disease.

Cupric salicylate is an anti-inflammatory agent which was used as pain relief for patients with osteoarthritis, rheumatoid and other degenerative diseases (as a copper-salicylate complex). The preparation seem to be discontinued for now.

Mecysteine is used as a mucolytic in respiratory disorders associated with productive cough. Mecysteine is known as a mucolytic agent, it breaks down mucus. It works by breaking some of the chemical bonds between the molecules in mucus. It is given orally in a usual dose of 200 mg three times daily before meals reduced to 200 mg twice daily after 6 weeks. A rapid clinical effect can be achieved by giving 200 mg four times daily for the first 2 days. Mecysteine has also been given by inhalation.