ethyl 7-[(4-fluorophenyl)methyl]-4-hydroxy-1-methyl-2-oxo-1,2-dihydro-1,5-naphthyridine-3-carboxylate 、
N-(2-Amino-ethyl)-N'-methyl-thioharnstoff 生成 7-[(4-fluorophenyl)methyl]-4-hydroxy-1-methyl-N-(2-{[(methylamino)carbonothioyl]amino}ethyl)-2-oxo-1,2-dihydro-1,5-naphthyridine-3-carboxamide