4-hydroxy-2-oxo-N-propyl-1H-quinoline-3-carboxamide

2-chloro-4-oxo-1H-quinoline-3-carboxylic acid

3-(1,3-dihydrobenzimidazol-2-ylidene)-1H-quinoline-2,4-dione

4-羟基-2(1H)-喹啉酮

1,2-二氢-4-羟基-2-氧代-3-喹啉羧酸