ethyl 6-aminoquinoline-3-carboxylate

(2-氨基-5-硝基苯基)甲醇

2-羟基-6-硝基-喹啉-3-甲酸

6-氨基-2-氧代-1,2-二氢-3-喹啉羧酸

ethyl 2-chloro-6-nitroquinoline-3-carboxylate