Quoin Pharmaceuticals Ltd. American Depositary Shares. Replay the stock market charts of QNRX day by day, back to 2003. Open long and short positions without spending any money. Quoin Pharmaceuticals, Ltd., a specialty pharmaceutical company, focuses on the development of therapeutic products for rare and orphan diseases. The company's lead product is QRX003, a topical lotion to treat Netherton Syndrome. It also develops QRX004 for the treatment dystrophic epidermolysis bullosa; and QRX006, a therapy to treat rare skin disease. The company is based in Ashburn, Virginia.
