<unk> , sold under the brand name Tracleer and Safebo among others, is a dual endothelin receptor antagonist medication used in the treatment of pulmonary artery hypertension (PAH).<unk>  is available as film-coated tablets (62.5 mg or 125 mg) or as dispersable tablets for oral suspension (32 mg).
Bosentan
Macitentan
Ambrisentan
Sitaxentan
Darusentan
Vericiguat
Nitroxinil
Sildenafil