4-hydroxy-1-phenyl-1,8-naphthyridin-2-one

3-butyl-1-(2,6-dimethylphenyl)-4-hydroxy-1,8-naphthyridin-2-one

N-[2-(二甲基氨基)乙基]-12-氧代-12H-苯并[g]吡啶并[2,1-b]喹唑啉-4-甲酰胺

ethyl 2-(4-chloroanilino)pyridine-3-carboxylate

ethyl 2-(4-fluoroanilino)pyridine-3-carboxylate