Wiktionary
bambuterol
n. A LABA used in the treatment of asthma, a prodrug of terbutaline.
Wikipedia
Bambuterol
Bambuterol ( INN) is a long-acting β adrenoceptor agonist (LABA) used in the treatment of asthma; it also is a prodrug of terbutaline. Commercially, the AstraZeneca pharmaceutical company produces and markets bambuterol as Bambec and Oxeol.
It is not available in the U.S.