Patent ID: 8614236

Claim:
A method of treating a subject for a pulmonary disease selected from the group consisting of hypoxic pulmonary vasoconstriction, pulmonary edema, pulmonary hypertension, asthma, chronic obstructive pulmonary disease, cystic fibrosis, interstitial fibrosis, high altitude residence, sleep apnea syndrome, and atrial septal defects, said method comprising: administering to the subject a compound of the formula: where R 1 and R 3 are each methyl and R 2 is hydrogen; wherein the compound is administered orally, parenterally, subcutaneously, intravenously, intramuscularly, intraperitoneally, by intranasal instillation, by inhalation, and/or by application to mucous membranes of the nose, throat, and/or bronchial tubes; under conditions effective to treat the pulmonary disease in the subject.