ethyl 7-[(4-fluorophenyl)methyl]-4-hydroxy-1-methyl-2-oxo-1,2-dihydro-1,5-naphthyridine-3-carboxylate 、
二乙基(3-氨丙基)磷酸酯草酸盐 生成 diethyl {3-[({7-[(4-fluorophenyl)methyl]-4-hydroxy-1-methyl-2-oxo-1,2-dihydro-1,5-naphthyridin-3-yl}carbonyl)amino]propyl}phosphonate