Synthesis and evaluation of pharmacological properties of some new xanthone derivatives with piperazine moiety. - Waszkielewicz, A.M.; Gunia, A.; Szkaradek, N.; Pytka, K.; Siwek, A.; Satała, G.; Bojarski, A.J.; Szneler, E.; Marona, H. (Bioorganic & Medicinal Chemistry Letters, 2013)