Pharmaceutical preparations for the treatment of sarcoidosis, interstitial lung disease, pulmonary fibrosis, and idiopathic pulmonary fibrosis; pharmaceutical preparations for the treatment of pulmonary hypertension, pulmonary arterial hypertension (PAH), pulmonary hypertension associated with lung disease, pulmonary hypertension associated with interstitial lung disease (PH-ILD), pulmonary hypertension associated with chronic obstructive pulmonary disease, portopulmonary hypertension, pulmonary hypertension associated with sleep-related breathing disorders, pulmonary hypertension associated with chronic thrombotic and embolic disease, and pulmonary hypertension secondary to hematologic, metabolic, renal, granulomatous, or fibrotic disorders.