5-bromo-7,8-dihydro-1,7-naphthyridin-8-one
8-amino-2-(3-fluorophenyl)-1,7-naphthyridine-5-carboxylic acid
ethyl 8-chloro-2-(3-fluorophenyl)-1,7-naphthyridine-5-carboxylate
ethyl 2-(3-fluorophenyl)-8-oxo-7H-1,7-naphthyridine-5-carboxylate
ethyl 2-(3-fluorophenyl)-8-oxo-7-(2-trimethylsilylethoxymethyl)-1,7-naphthyridine-5-carboxylate