A triacetylated derivative of resveratrol that has diverse biological activities; inhibits the growth of LNCaP, DU145, and PC3M prostate cancer cells (IC50s = 10.5, 14.2, and 26.8 μM, respectively); induces cytotoxicity in ALL-5 acute lymphoblastic leukemia cells (IC50 = 3.4 μM) and induces cell cycle arrest at the G1 phase at 17 μM; increases survival in mice exposed to total body γ-irradiation at 10 mg/kg prior to irradiation