Bosentan

**Definition:** A sulfonamide and pyrimidine derivative that acts as a dual endothelin receptor antagonist used to manage PULMONARY HYPERTENSION and SYSTEMIC SCLEROSIS.

**Tree numbers:** - D02.065.884.060.005 - D02.455.426.559.389.085.005 - D02.886.590.700.090.005 - D02.886.590.700.143 - D03.383.742.060

**Synonyms:** - 4-t-Butyl-N-(6-(2-hydroxyethoxy)-5-(2-methoxyphenoxy)-2,2'-bipyrimidin-4-yl)benzenesulfonamide