Docking and quantitative structure–activity relationship studies for 3-fluoro-4-(pyrrolo[2,1-<Emphasis Type="Italic">f</Emphasis>][1,2,4]triazin-4-yloxy)aniline, 3-fluoro-4-(1H-pyrrolo[2,3-b]pyridin-4-yloxy)aniline,and 4-(4-amino-2-fluorophenoxy)-2-pyridinylamine derivatives as c-Met kinase inhibitors |