Crystalline form of beta2 adrenergic receptor agonist

摘要

The invention provides a novel beta₂ adrenergic receptor agonist in crystalline salt form. The invention also provides pharmaceutical compositions comprising the novel beta₂ adrenergic receptor agonist in crystalline salt form, formulations containing the pharmaceutical compositions, methods of using the crystalline salt to treat diseases associated with beta₂ adrenergic receptor activity, and processes useful for preparing such crystalline compounds.