2,2-dimethyl-5-({[4-(methyloxy)phenyl]amino}methylidene)-1,3-dioxane-4,6-dione

6-甲氧基-2,3-二氢喹啉-4-酮

3-甲氧基-4-硝基苯乙酮

1-(5-methoxy-2-nitrophenyl)ethanone

ethyl 6-methoxy-4-oxo-1,4-dihydro-quinoline-3-carboxylate