MEthyl 2-[(e)-2-(dimethylamino)vinyl]-6-(4-methoxybenzyl)-5-oxo-5,6-dihydro-1,6-naphthyridine-3-carboxylate 5g

MEthyl 2-[(e)-2-(dimethylamino)vinyl]-6-(4-methoxybenzyl)-5-oxo-5,6-dihydro-1,6-naphthyridine-3-carboxylate 5g