Chondroitin sulfate is an important structural component of cartilage and has been used as a dietary supplement for the treatment of joint discomfort.

Pincainide is a novel beta-aminoaniline that inhibits, in a dose-dependent manner, diseases caused by abnormal norepinephrine vascular smooth muscle function.

Meclocycline (INN) is a tetracycline antibiotic. It is used topically (i.e. for skin infections) as it is totally insoluble in water and may cause liver and kidney damage if given systemically.