Yadanziolide B exhibits significant antiviral activity, particularly against hepatitis B virus (HBV), making it a promising candidate for antiviral drug development. It has been shown to inhibit viral replication in cell-based assays, suggesting potential use in treating chronic HBV infections. Additionally, studies indicate anti-inflammatory properties, which may contribute to its therapeutic effect in viral and inflammatory diseases. Its unique structural features also make it valuable in medicinal chemistry for structure-activity relationship studies and the design of novel bioactive compounds.