A steroid glycoside with diverse biological activities; reduces SRC-3 protein levels in MCF-7 breast cancer cells from 10-100 nM; reduces Na+/K+ pump activity, viability, and cell attachment of C7-MDCK cells at 1 μM; reduces expression of EMT markers and migration and invasion of PC3 cells; cytotoxic to A549, H460, and HTB-58 lung cancer cells from 0.1-10 μM; reduces tumor volume and increases survival in an A549 mouse xenograft model at 1 and 5 mg/kg,