ethyl 7-methoxy-8-methyl-4-oxo-1H-quinoline-3-carboxylate

diethyl 2-[[di(propan-2-yl)amino]methylidene]propanedioate

ethyl 2-[4-[(5-ethoxycarbonyl-6-oxo-1H-pyrimidin-2-yl)amino]butylamino]-6-oxo-1H-pyrimidine-5-carboxylate

ethyl 2-[6-[(5-ethoxycarbonyl-6-oxo-1H-pyrimidin-2-yl)amino]hexylamino]-6-oxo-1H-pyrimidine-5-carboxylate

2-[8-[(5-乙氧基羰基-4-氧代-3H-嘧啶-2-基)氨基]辛基氨基 ]-4-氧代-3H-嘧啶-5-羧酸乙酯