Batzelladine D, also known as Compound 1, functions as an inhibitor of the Pdr5p transporter's catalytic and functional activities, demonstrating inhibitory action against Pdr5p ATPase activity with an IC50 value of 7.1 µM. Additionally, it exhibits a range of bioactivities including antifungal, antiparasitic, antiviral, antibacterial, and antitumoral properties [1].