83734-42-3
3-[N-(3-ethoxy-1-oxo-2-propenyl)amino]benzoic acid
→
~49%
83734-43-4
2-oxo-1H-quinoline-5-carboxylic acid
99-05-8
间氨基苯甲酸
70758-34-8
methyl 2-oxo-1H-quinoline-5-carboxylate
88371-29-3
2-oxo-3,4-dihydro-1H-quinoline-5-carboxylic acid