Shahabi, Manochehr; Schirmer, Eva; Shanab, Karem; Leepasert, Theerachart; Ruzicka, Jana; Holzer, Wolfgang; Spreitzer, Helmut; Aicher, Babette; Schmidt, Peter; Blumenstein, Lars; Mueller, Gilbert; Guenther, Eckhard Bioorganic and Medicinal Chemistry Letters, 2013 , vol. 23, # 6 p. 1846 - 1852