Perez, Daniel; Crespo, Maribel; Sole, Laia; Prat, Maria; Carcasona, Carla; Calama, Elena; Otal, Raquel; Gavalda, Amadeu; Gomez-Angelats, Mireia; Miralpeix, Montserrat; Puig, Carles Bioorganic and Medicinal Chemistry Letters, 2011 , vol. 21, # 5 p. 1545 - 1548