WS7622A, B, C and D substances, derivatives thereof, processes for preparation thereof and use for treatment of pulmonary emphysema and adult respiratory distress syndrome

摘要

A method of treating pulmonary emphysema or adult respiratory distress syndrome in a subject in need thereof which comprises administering to the subject an effective amount of WS7622A, B, C and/or D, derivatives thereof, or their pharmaceutically acceptable salt.