4-hydroxy-6-methoxy-8-nitroquinoline

4-甲氧基-2-硝基乙酰苯胺

4-hydroxy-6-methoxy-8-nitro-quinoline-3-carboxylic acid

ethyl 6-methoxy-8-nitro-4-oxo-1H-quinoline-3-carboxylate

(4-methoxy-2-nitro-anilinomethylene)-malonic acid diethyl ester