<unk> , also known as calcipotriene, is a synthetic derivative of calcitriol, a form of vitamin D. It is used in the treatment of psoriasis. It is safe for long-term application in psoriatic skin conditions. It was patented in 1985 and approved for medical use in 1991. It is marketed under the trade name "Dovonex" in the United States, "Daivonex" outside North America, and "Psorcutan" in Germany. It is on the World Health Organization's List of Essential Medicines.
Calcipotriol
Estriol succinate
Estriol 
Estriol
Tazarotene
Methandriol
Fluocinonide
Trifarotene