Novel N-(3-carboxyl-9-benzyl-beta-carboline-1-yl)ethylamino acids: synthesis, anti-tumor evaluation, intercalating determination, 3D QSAR analysis and docking investigation.
Wu J, Zhao M, Qian K, Lee KH, Morris-Natschke S, Peng S, Eur J Med Chem, 2009 Oct - link