Flunisolide-d4 is the deuterium labeled Flunisolide (HY-B1121). Flunisolide is a corticosteroid, which is an orally active glucocorticoid receptor activator with anti-inflammatory activity. Flunisolide can induce eosinophil apoptosis, and is used for the research of asthma or rhinitis, and inflammation[1][2].
