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.