1-phenyl-4-prop-2-enoxy-1,8-naphthyridin-2-one

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

2-苯基氨基烟酸甲酯

methyl 2-(3-methoxycarbonylpyridin-2-yl)pyridine-3-carboxylate