<unk>  is a respiratory agent that is FDA approved for the treatment of idiopathic pulmonary fibrosis (IPF).   Common adverse reactions include nausea, rash, abdominal pain, upper respiratory tract infection, diarrhea, fatigue, headache, dyspepsia, dizziness, vomiting, anorexia, gastroesophageal reflux disease, sinusitis, insomnia, weight decreased, and arthralgia.
Pirfenidone
Terizidone
Aglepristone
Methylphenidate 
Dexmethylphenidate
Rimonabant
Primidone
Belinostat