Complex sentence: Ipratropium bromide (INN, trade names Atrovent, Apovent, Ipraxa, Aerovent and Rinatec) is an anticholinergic drug used for the treatment of chronic obstructive pulmonary disease and acute asthma.
Split into simpler sentences: Ipratropium bromide (INN, trade names Atrovent, Apovent, Ipraxa, Aerovent and Rinatec) is a drug that relieves bronchial spasms. It is an anticholinergic drug used for the treatment of chronic obstructive pulmonary disease and acute asthma.