QS-21, an immunostimulatory saponin, is a powerful vaccine adjuvant that stimulates both Th2 humoral and Th1 cell-mediated immune responses by interacting with antigen presenting cells (APCs) and T cells.

Salirasib(Ki=2.6 μM), an effective competitive prenylated protein methyltransferase (PPMTase) inhibitor, inhibits Ras methylation with potential antineoplastic activity.

Phloretin is a well-known inhibitor of eukaryotic urea transporters, blocks VacA-mediated urea and ion transport.