1 3VC N-{(1s)-1-[7-fluoro-2-(pyridin-2-yl)quinolin-3-yl]ethyl}-9h-purin-6-amine 1.000 2 3VD N-{(1s)-1-[8-chloro-2-(3-fluorophenyl)quinolin-3-yl]ethyl}-9h-purin-6-amine 0.844 3 3VE N-{(1s)-1-[8-chloro-2-(2-methylpyridin-3-yl)quinolin-3-yl]ethyl}-9h-purin-6-amine 0.788